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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A buffer is prepared by mixing 4.00g of sodium acetate(NaC₂H₃O₂.3H₂O) and10.00mL 3.0M acetic acid. K_a = 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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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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A buffer is prepared by mixing 4.00g of sodium acetate (NaC2H3O2.3H2O) and 10.00mL 3.0M acetic acid. Ka...

70.2K

Verified Solution

Question

Chemistry

A buffer is prepared by mixing 4.00g of sodium acetate(NaC₂H₃O₂.3H₂O) and10.00mL 3.0M acetic acid. K_a = 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?
SHOW STEPS

Answer & Explanation Solved by verified expert

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

70.2K

Verified Solution

Question

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?SHOW STEPS

Answer & Explanation Solved by verified expert

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A buffer is prepared by mixing 4.00g of sodium acetate(NaC₂H₃O₂.3H₂O) and10.00mL 3.0M acetic acid. K_a = 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?
SHOW STEPS