Wednesday
August 20, 2014

Homework Help: Chemistry

Posted by Paul on Saturday, July 18, 2009 at 5:27pm.

Which of the following mixtures will result in the formation of a buffer solution if all solutions are 1.0 M before mixing?

i) 100. mL of NH3(aq) and 100. mL of HCl(aq).
ii) 100. mL of NH3(aq) and 50. mL of HCl(aq).
iii) 100. mL of NH3(aq) and 50. mL NaOH(aq).
iv) 100. mL of NH4Cl(aq) and 100. mL of NH3(aq).
v) 100. mL of NH4Cl(aq) and 50. mL of NaOH(aq).

a. ) i and ii
b. ) i and iv
c. ) ii and v
d. ) ii, iii, and v
e. ) ii, iv, and v

I strongly think it's (ii) and (v), but I'm unsure of (iv)

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