What is the molarity of 87% phosphoric acid solution? (Density of the solution is 1.46 g/mL)....
What is the molarity of 87% phosphoric acid solution? (Density of the solution is 1.46 g/mL). Please provide a detailed explanation.
Homework Answers
87% Phosphoric acid means 87 g. of H3PO4 in 100 g of phosphoric acid solution.
Thus from density, Volume=Mass/Density = 87/1.46 = 59.58 ml
No. of moles = Mass/Molar Mass
Molar Mass Of H3PO4 is 98 g.
No. of moles = 87/98 = 0.88 moles
Molarity =(0.88/59.58) * 1000 = 14.77 M
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