A 25.0 mL solution of sodium dichromate, Na2Cr2O7 (261.98 g/mol), with a mass of 25.950 g,...

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A 25.0 mL solution of sodium dichromate, Na2Cr2O7 (261.98 g/mol), with a mass of 25.950 g,...

A 25.0 mL solution of sodium dichromate, Na₂Cr₂O₇ (261.98 g/mol), with a mass of 25.950 g, contains 1.295 g of Na₂Cr₂O₇. What are the mass/mass percent concentration and molarity of the solution?

5.18% and 0.198 M

4.99% and 0.190 M

5.18% and 0.190 M

4.99% and 0.198 M

4.99% and 0.396 M

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Answer 1

Answer #1

Thus option 4 is correct.

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Answer 2

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