Table of Contents
Buffering Capability
1
) If a barrier is prepared utilizing 0.75 mol HC2H3O2 and also 0.45 mol C2H3O2– in 1.0 L of liquid service, is the buffering capability of the option excellent adequate to preserve its pH if 10. g NaOH is included?
(a) Yes, the focus of acetate is wonderful sufficient to reduce the effects of the hydroxide.
(b) Yes, the focus of acetic acid is wonderful adequate to reduce the effects of the hydroxide.
(c) No, the focus of acetate is low sufficient to reduce the effects of the hydroxide.
(d) No, the focus of acetic acid is low sufficient to reduce the effects of the hydroxide.
(e) No, a weak acid can not reduce the effects of a solid base.
2
) If a barrier is prepared making use of 0.50 mol HC2H3O2 and also 0.50 mol C2H3O2– in 1.0 L of liquid service, is the buffering capability of the option wonderful sufficient to keep its pH if 30. g NaOH is included?
(a) Yes, the focus of acetate is fantastic adequate to reduce the effects of the hydroxide.
(b) Yes, the focus of acetic acid is fantastic adequate to counteract the hydroxide.
(c) No, the focus of acetate is low sufficient to reduce the effects of the hydroxide.
(d) No, the focus of acetic acid is low sufficient to reduce the effects of the hydroxide.
(e) No, a weak acid can not reduce the effects of a solid base.
3
) If a barrier is prepared making use of 0.75 mol HC2H3O2 as well as 0.45 mol C2H3O2– in 1.0 L of liquid service, is the buffering capability of the remedy terrific sufficient to keep its pH if 20. g HCl is included?
(a) Yes, the focus of acetate ions is wonderful sufficient to counteract the acid.
(b) Yes, the focus of acetic acid is fantastic adequate to counteract the acid.
(c) No, the focus of acetate is low sufficient to counteract the acid.
(d) No, the focus of acetic acid is low sufficient to reduce the effects of the acid.
(e) No, a weak base can not reduce the effects of a solid acid.
4
) If a barrier is prepared utilizing 0.55 mol CH3CHOHCOOH as well as 0.45 mol CH3CHOHCOO– in 1.0 L of liquid option, is the buffering ability of the option fantastic sufficient to preserve its pH if 5.0 g LiOH is included?
(a) Yes, the focus of lactate is fantastic sufficient to reduce the effects of the hydroxide.
(b) Yes, the focus of lactic acid is wonderful sufficient to counteract the hydroxide.
(c) No, the focus of lactate is low sufficient to reduce the effects of the hydroxide.
(d) No, the focus of lactic acid is low sufficient to reduce the effects of the hydroxide.
(e) No, a weak acid can not reduce the effects of a solid base.
5
) If a barrier is prepared making use of 0.50 mol CH3CHOHCOOH as well as 0.65 mol CH3CHOHCOO– in 1.0 L of liquid option, is the buffering ability of the option fantastic sufficient to keep its pH if 35 g KOH is included?
(a) Yes, the focus of lactate is excellent sufficient to reduce the effects of the hydroxide.
(b) Yes, the focus of lactic acid is excellent sufficient to reduce the effects of the hydroxide.
(c) No, the focus of lactate is low sufficient to reduce the effects of the hydroxide.
(d) No, the focus of lactic acid is low sufficient to counteract the hydroxide.
(e) No, a weak acid can not counteract a solid base.
6
) If a barrier is prepared utilizing 0.15 mol CH3CHOHCOOH as well as 0.30 mol CH3CHOHCOO– in 1.0 L of liquid option, is the buffering capability of the service fantastic sufficient to preserve its pH if 15 g HBr is included?
(a) Yes, the focus of lactate is excellent adequate to counteract the acid.
(b) Yes, the focus of lactic acid is wonderful sufficient to reduce the effects of the acid.
(c) No, the focus of lactate is low sufficient to reduce the effects of the acid.
(d) No, the focus of lactic acid is low sufficient to counteract the acid.
(e) No, a weak base can not counteract a solid acid.
7
) If a barrier is prepared utilizing 0.45 mol CH3CHOHCOOH as well as 0.25 mol CH3CHOHCOO– in 1.0 L of liquid remedy, is the buffering ability of the service terrific adequate to preserve its pH if 30. g HClO4 is included?
(a) Yes, the focus of lactate is fantastic adequate to reduce the effects of the acid.
(b) Yes, the focus of lactic acid is terrific adequate to reduce the effects of the acid.
(c) No, the focus of lactate is low sufficient to reduce the effects of the acid.
(d) No, the focus of lactic acid is low sufficient to counteract the acid.
(e) No, a weak base can not reduce the effects of a solid acid.
8
) If a barrier is prepared making use of 0.60 mol C6H5COOH and also 0.35 mol C6H5COO– in 1.0 L of liquid option, is the buffering capability of the option excellent adequate to preserve its pH if 10. g LiOH is included?
(a) Yes, the focus of benzoate is excellent sufficient to counteract the hydroxide.
(b) Yes, the focus of benzoic acid is wonderful adequate to counteract the hydroxide.
(c) No, the focus of benzoate is low sufficient to reduce the effects of the hydroxide.
(d) No, the focus of benzoic acid is low sufficient to counteract the hydroxide.
(e) No, a weak acid can not counteract a solid base.
9
) If a barrier is prepared making use of 0.75 mol C6H5COOH and also 0.95 mol C6H5COO– in 1.0 L of liquid service, is the buffering ability of the service excellent sufficient to preserve its pH if 50. g KOH is included?
(a) Yes, the focus of benzoate is excellent sufficient to reduce the effects of the hydroxide.
(b) Yes, the focus of benzoic acid is excellent sufficient to counteract the hydroxide.
(c) No, the focus of benzoate is low sufficient to reduce the effects of the hydroxide.
(d) No, the focus of benzoic acid is low sufficient to reduce the effects of the hydroxide.
(e) No, a weak acid can not reduce the effects of a solid base.
10
) If a barrier is prepared making use of 0.20 mol C6H5COOH as well as 0.40 mol C6H5COO– in 1.0 L liquid option, is the buffering capability of the option wonderful adequate to keep its pH if 15 g HNO3 is included?
(a) Yes, the focus of benzoate is excellent sufficient to reduce the effects of the acid.
(b) Yes, the focus of benzoic acid is wonderful adequate to reduce the effects of the acid.
(c) No, the focus of benzoate is low sufficient to counteract the acid.
(d) No, the focus of benzoic acid is low sufficient to reduce the effects of the acid.
(e) No, a weak base can not reduce the effects of a solid acid.
11
) If a barrier is prepared utilizing 0.65 mol C6H5COOH and also 0.35 mol C6H5COO– in 1.0 L of liquid service, is the buffering ability of the remedy fantastic adequate to keep its pH if 50. g HClO4 is included?
(a) Yes, the focus of benzoate is wonderful sufficient to reduce the effects of the acid.
(b) Yes, the focus of benzoic acid is wonderful adequate to reduce the effects of the acid.
(c) No, the focus of benzoate is low sufficient to reduce the effects of the acid.
(d) No, the focus of benzoic acid is low sufficient to reduce the effects of the acid.
(e) No, a weak base can not counteract a solid acid.
12
) If a barrier is prepared utilizing 0.50 mol HClO and also 0.30 mol ClO– in 1.0 L of liquid service, is the buffering capability of the service terrific adequate to preserve its pH if 20. g KOH is included?
(a) Yes, the focus of hypochlorite is terrific sufficient to counteract the hydroxide.
(b) Yes, the focus of hypochlorous acid is wonderful sufficient to counteract the hydroxide.
(c) No, the focus of hypochlorite is low sufficient to counteract the hydroxide.
(d) No, the focus of hypochlorous acid is low sufficient to counteract the hydroxide.
(e) No, a weak acid can not reduce the effects of a solid base.
13
) If a barrier is prepared utilizing 0.60 mol HClO as well as 0.75 mol ClO– in 1.0 L of liquid remedy, is the buffering capability of the service terrific sufficient to keep its pH if 20. g LiOH is included?
(a) Yes, the focus of hypochlorite is wonderful sufficient to counteract the hydroxide.
(b) Yes, the focus of hypochlorous acid is terrific sufficient to reduce the effects of the hydroxide.
(c) No, the focus of hypochlorite is low sufficient to counteract the hydroxide.
(d) No, the focus of hypochlorous acid is low sufficient to reduce the effects of the hydroxide.
(e) No, a weak acid can not counteract a solid base.
14
) If a barrier is prepared making use of 0.65 mol HClO as well as 0.50 mol ClO– in 1.0 L of liquid remedy, is the buffering capability of the remedy wonderful adequate to keep its pH if 5.0 g HCl is included?
(a) Yes, the focus of hypochlorite is fantastic sufficient to reduce the effects of the acid.
(b) Yes, the focus of hypochlorous acid is fantastic sufficient to counteract the acid.
(c) No, the focus of hypochlorite is low sufficient to reduce the effects of the acid.
(d) No, the focus of hypochlorous acid is low sufficient to counteract the acid.
(e) No, a weak base can not counteract a solid acid.
15
) If a barrier is prepared making use of 0.40 mol HClO as well as 0.35 mol ClO– in 1.0 L of liquid remedy, is the buffering ability of the option excellent adequate to preserve its pH if 35 g HBr is included?
(a) Yes, the focus of hypochlorite is fantastic adequate to counteract the acid.
(b) Yes, the focus of hypochlorous acid is terrific sufficient to counteract the acid.
(c) No, the focus of hypochlorite is low sufficient to counteract the acid.
(d) No, the focus of hypochlorous acid is low sufficient to reduce the effects of the acid.
(e) No, a weak base can not reduce the effects of a solid acid.
16
) If a barrier is prepared utilizing 0.35 mol NH4+ as well as 0.20 mol NH3 in 1.0 L of liquid remedy, is the buffering ability of the option excellent sufficient to keep its pH if 15 g KOH is included?
(a) Yes, the focus of ammonia is terrific sufficient to reduce the effects of the hydroxide.
(b) Yes, the focus of ammonium ions is wonderful sufficient to counteract the hydroxide.
(c) No, the focus of ammonia is low sufficient to reduce the effects of the hydroxide.
(d) No, the focus of ammonium ions is low sufficient to counteract the hydroxide.
(e) No, a weak acid can not counteract a solid base.
17
) If a barrier is prepared utilizing 0.55 mol NH4+ and also 0.40 mol NH3 in 1.0 L of liquid remedy, is the buffering ability of the remedy excellent adequate to preserve its pH if 30. g HI is included?
(a) Yes, the focus of ammonia is excellent sufficient to reduce the effects of the acid.
(b) Yes, the focus of ammonium ions is excellent sufficient to counteract the acid.
(c) No, the focus of ammonia is low sufficient to reduce the effects of the acid.
(d) No, the focus of ammonium ions is low sufficient to counteract the acid.
(e) No, a weak base can not counteract a solid acid.
18
) If a barrier is prepared utilizing 0.65 mol NH4+ and also 0.55 mol NH3 in 1.0 L of liquid option, is the buffering capability of the service fantastic sufficient to preserve its pH if 50. g HNO3 is included?
(a) Yes, the focus of ammonia is terrific adequate to counteract the acid.
(b) Yes, the focus of ammonium ions is wonderful sufficient to reduce the effects of the acid.
(c) No, the focus of ammonia is low sufficient to reduce the effects of the acid.
(d) No, the focus of ammonium ions is low sufficient to reduce the effects of the acid.
(e) No, a weak base can not counteract a solid acid.
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