Chemistry, asked by Aryan0904200326, 1 year ago

Which of the following gives the molarity of a 17% (w/w) solution of CH₃COONa in water. The density of the solution is 1.09 gm/ml ?

Answers

Answered by lerix
6

Answer:

For quick solving remember the direct formula,

Molarity= (10×density×mass by mass percent)÷(molar mass)

You can easily deduce this.

Plugging in the values

Molarity= (10×1.09×17)÷(12+3+12+16+16+23)

=(10.9×17)÷82= 2.26(roughly)

=> molarity= 2.26 mol/litre

Explanation:

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