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calculate the mass (g) of sodium sulfate needed to prepare 100.0ml of solution . a)Type the...

calculate the mass (g) of sodium sulfate needed to prepare 100.0ml of solution .

a)Type the calculation performed to determine the mass of sodium sulfate necessary to prepare the 0.028 M stock solution. Report the final answer to appropriate number of significant figures.

b)Report the actual mass of sodium sulfate used to prepare the 0.028 M stock solution. Type the calculation performed to determine the actual concentration of the 0.028 M stock solution. Report the final answer to appropriate number of significant figures.

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