Answer to Question #260557 in General Chemistry for CINTH

General Chemistry

Question #260557

Compute for the molality of her disinfectant if she dissolved 5Tbsp. of NaClO (sodium hypochlorite) in 3.8 liters of H2O (water).

Expert's answer

1Tbsp=12.7817 gramm

5 Tbsp=63.9085 gramm

M(NaClO)=23+35.5+16=74.5 gramm/mol

n(NaClO)=63.9085 gramm/74.5 (gramm/mol)=0.8578 mol

c(NaClO)=0.8578 mol/3.8 l=0.2257 mol/l

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