How many grams of H2 will be released if 13.87g of Cu reacts according to the rxn
Cu+2HNO3 > Cu(NO3)2+H2
Number of Copper moles=13.87/64=0.2167
The mole of CU:H2=1:1=0.2167:0.2167
Mass of the hydrogen gas produced=0.2167x2=0.4334 grams
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