Find out the mass of dissolved in 500 mL to have

CHEMISTRY · Subjective · A Level · Chemistry · Acids and bases · Acids and bases

Problem

Find out the mass of

\text{NH}_4\text{Cl}

dissolved in 500 mL to have

\text{pH} = 4.5

\text{K}_b

for

\text{NH}_4\text{OH}

1.8 \times 10^{-5}