Use the ref an aqueous solution of chromium(ii) acetate has a concentration of 0.260 molal. the percent by mass of chromium(ii) acetate in the solution is submit answer retry entire group 9 more group attempts remaining

The percent by mass of chromium(II) acetate in the solution is 4.42%.

Explanation:

Molality of the chromium(II) acetate solution = 0.260 m = 0.260 mol/kg

This means that in 1 kg of solution 0.260 moles of chromium(II) acetate are present.

1000 g = 1 kg

So, in 1000 grams of solution 0.260 moles of chromium(II) acetate are present.

Then in 100 grams of solution =

Mass of 0.0260 moles chromium(II) acetate:

= 0.0260 mol × 170 g/mol = 4.42 g

The percent by mass of chromium(II) acetate in the solution is 4.42%.

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