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  3. a buffer is prepared by mixing 4.00g of sodium ace

A buffer is prepared by mixing 4.00g of sodium acetate (NaC2H3O2.3H2O) and 10.00mL 3.0M acetic acid. Ka...

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Chemistry

A buffer is prepared by mixing 4.00g of sodium acetate(NaC2H3O2.3H2O) and10.00mL 3.0M acetic acid. Ka = 1.8x10-5 foracetic acid.

a) Calculate the pH of the buffer.

b) If we add 5.00mL of 1.0M HCl to 25mL of thebuffer, what is the new pH of the buffer?

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Answer & Explanation Solved by verified expert
4.5 Ratings (758 Votes)
m 4g NaAc V 10 ml M 3 M HAc Ka 18105 a find pH this is a buffer so apply buffer law pH pK a logAHA pka logKa log18105 475 we need to find concnetratino of 4 g    See Answer
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