A)Calculate the ph of an aqueous solution of 0.0400M formic acid, HCOOH at 25c. The Pka...
A)Calculate the ph of an aqueous solution of 0.0400M formic acid, HCOOH at 25c. The Pka of HCOOH=2.796
a)3.447
b)2.347
c)2.140
d)2.796
e)2.796
f)2.533
g)4.102
h)1.891
-I keep getting 2.097(please explain if im having some issues with significant figures) the answer is 2.140
B) A saturated solution in water has [pb2+]=0.0159M and [Cl-]=0.0317M at 25c. Calculate the ksp of PbCl2
C) How many grams of sodium floride (MW=41.99g/mol) must be added to 455. mL of a 0.115M HF solution to give a buffer solution having a PH of 3.500 at 25c?
[Ka(HF)=7.100x10^-4]
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A)Calculate the ph of an aqueous solution of 0.0400M formic
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Calculate the pH of a 0.065 M formic acid (HCOOH)
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2.48 is WRONG answer!!!!!!
Write your answer to two decimal places. Calculate the pH of a 0.065 M formic acid (HCOOH) solution. Formic acid is a weak acid with 1.8x 10at 25°C. pH 2.48
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Calculate the pH of a 0.065 M formic acid (HCOOH)
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Formic acid is a weak acid with Ka = 1.8 ×
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2.48 is WRONG answer!!!!!!
Write your answer to two decimal places. Calculate the pH of a 0.065 M formic acid (HCOOH) solution. Formic acid is a weak acid with 1.8x 10at 25°C. pH 2.48
Calculate the pH of a 0.0167 M aqueous solution of formic acid (HCOOH, K, = 1.8x10-4) and the equilibrium concentrations of the weak acid and its conjugate base. pH [HCOOH)equilibrium [HCOO equilibrium
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