Question

calculate the mass of sodium acetate[CH3COONa] required to make 500ml of 0.375 molar aqueous solution. molar mass of sodium acetate is 82.0245g mol-1.

Answer 1

Answer:

Calculate the mass of sodium acetate [CH

3

COONa] required to make 500 mL of 0.375 molar aqueous solution. Molar mass of sodium acetate is 82.0245 g mol

−1

.

Hard

Solution

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0.375M solution means 0.375 moles in 1 L of solution.

1000mL of solution contains 0.375 moles

1mL of solution⟶

1000

0.375

moles

500mL of solution⟶

1000

0.375

×500

⟶0.1875

No. of moles=

Molar Mass

Mass

0.1875mol=

82.0245 gmol

−1

Mass

∴ Mass of the compound = 15.37 g.

Explanation:

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