At 20 deg C the density of concentrated phosphoric acid solution is 1.689g solution/ mL. It contains 144g H3PO4 per 1.00 x 102mL of solution.
1. Determine the molar concentration of H3PO4 in this solution.
2. Determine the number of grams of this solution needed to hold the 50.0 gH3PO4.