What mass of the second-listed reactant in each of the following reactions is needed to react completely with 5.013 g of the first-listed reactant?
SO2 + 2H2S → 2H2O + 3S
2BF3 + 6NaH → B2H6 + 6NaF
1). Mass of second reactant required = 5.013*68/64 = 5.3263 g
2). Mass of second reactant required = 5.013 * 72 / 67.8 = 5.3235
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