LIMITING REAGENTS TO2/S12 Based on the balanced equation Molar Mass (g/mol) СаН2 + 2H20 - Ca(ОН)2 + 2H2 CаН2 H20 Ca(OH)2 H2 Avogadro's No. 6.022x1023 mol1 42.094 calculate the number of excess reagent units remaining when 38 CaH2 formula units and 68 H20 18.015 molecules react? 74.092 2.016 exact number, no tolerance

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