H2 is produced by the reaction of 118.5 mL of a 0.8775-M sol…

H2 is produced by the reaction of 118.5 mL of a 0.8775-M sol…

H2 is produced by the reaction of 118.5 mL of a 0.8775-M solution of H3PO4 according to the following equation: 2Cr+2H3PO4 ⟶ 3H2+2CrPO4.
(a) Outline the steps necessary to determine the number of moles and mass of H2.
(b) Perform the calculations outlined.