What mass of oxalic acid dihydrate, H2C2O4•2H2O, is needed to make a 0.357 M solution of oxalic acid in a 250.0mL volumetric flask?

Question

Chemistry

Amiyah Pearson

3 September, 03:33

What mass of oxalic acid dihydrate, H2C2O4•2H2O, is needed to make a 0.357 M solution of oxalic acid in a 250.0mL volumetric flask?

+1

Answers (1)

Know the Answer?

Edgar Gibson · Answer 1

Molarity is expressed as the number of moles of solute per volume of the solution. The mass of oxalic acid dihydrate needed for the solution is calculated as follows:

Amount in moles: (0.357 mol H2C2O4•2H2O / L) (.250 L) = 0.0893 mol H2C2O4•2H2O

Amount in mass : 0.0893 mol H2C2O4•2H2O (126.08 g / mol) = 11.2589 g H2C2O4•2H2O

Hope this answers the question. Have a nice day.