Problem: Which of the following solutions is a buffer? Check all that apply.a. A solution made by mixing 100 mL of 0.100 M HCOOH and 500 mL of 0.100 M NaOH.b. A solution made by mixing 100 mL of 0.100 M HCOOH and 50 mL of 0.100 M NaOH.c. A solution made by mixing 100 mL of 0.100 M HCOOK and 50 mL of 0.100 M KCl.d. A solution made by mixing 100 mL of 0.100 M HCOOH and 50 mL of 0.100 M HCl.

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Problem Details

Which of the following solutions is a buffer? Check all that apply.

a. A solution made by mixing 100 mL of 0.100 M HCOOH and 500 mL of 0.100 M NaOH.
b. A solution made by mixing 100 mL of 0.100 M HCOOH and 50 mL of 0.100 M NaOH.
c. A solution made by mixing 100 mL of 0.100 M HCOOK and 50 mL of 0.100 M KCl.
d. A solution made by mixing 100 mL of 0.100 M HCOOH and 50 mL of 0.100 M HCl.

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