At 20 °C,an Aqueous Solution That Is 24 $\mathrm { g } \mathrm { mL } ^ { - 1 }$

question 13

Multiple Choice

At 20 °C,an aqueous solution that is 24.0% by mass in ammonium chloride has a density of 1.0674 $\mathrm { g } \mathrm { mL } ^ { - 1 }$ What is the molarity of ammonium chloride in the solution? The formula weight of $\mathrm { NH } _ { 4 }$ Cl is $53.50 \mathrm {~g} \mathrm {~mol} ^ { - 1 }$

• A)0.209 mol L^-1
• B)0.0445 mol L^-1
• C)22.5 mol L^-1
• D)0.479 mol L^-1
• E)4.79 mol L^-1

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