# Chapter 10 - Chemical Quantities - 10 Assessment - Page 338: 60

98 g = Molar Mass of H3PO4

#### Work Step by Step

H3 PO4 factors into 1/3, 1/3, 16(4) From this point, use Stoichiometry 3 mol H x 1.0 g H/1 mol H= 3.0 g H + 31.0 g P + 64 g O (Mass of the elements) = 98 g

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