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A student creates 150ml of a buffer that is .018M in formic acid and .016M in...

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Question

Chemistry

A student creates 150ml of a buffer that is .018M in formic acidand .016M in sodium formate. What would the pH of the buffer beafter the addition 15ml of .070M HCl solution to the buffer?

a) 3.69

b) 3.85

c) 4.18

d) 1.15

e) 3.30

Answer & Explanation Solved by verified expert
3.8 Ratings (351 Votes)
To solve this kind of problem you need first calculated the quantity of mol that you have in solution for the formic acid and for sodium formate Formic acid mol 0018 M x 0150 L    See Answer
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