Which one of the following values of [OH-] and pH is correct? A. 1.50 g of LiOH in 250. mL of solution has [OH-] = 0.251 M and pH = 0.601 B. A solution formed by adding 5.00 mL of 0.0105 M KOH to 15.0 mL of 3.5 x 10-3 M Ca(OH)2 (assume that the volumes of the solutions are additive) has [OH-] = 7.9 x 10-3 M and pH = 11.90. C.1.00 mL of 0.095 M NaOH diluted to 2.00 L has [OH-] = .0495 M and a pH = 12.7 D. 3.5 x 10-4 M Sr(OH)2 has [OH-] = 7.0 x 10-4 M and pH = 3.15 The answer is B.
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Which one of the following values of [OH-] and pH is correct?
A. 1.50 g of LiOH in 250. mL of solution has [OH-] = 0.251 M and pH = 0.601
B. A solution formed by adding 5.00 mL of 0.0105 M KOH to 15.0 mL of 3.5 x 10-3 M Ca(OH)2 (assume that the volumes of the solutions are additive) has [OH-] = 7.9 x 10-3 M and pH = 11.90.
C.1.00 mL of 0.095 M NaOH diluted to 2.00 L has [OH-] = .0495 M and a pH = 12.7
D. 3.5 x 10-4 M Sr(OH)2 has [OH-] = 7.0 x 10-4 M and pH = 3.15
The answer is B.
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