What mass of hydrogen peroxide must decompose to produce 65.88 g of H2O
"2H_2O_2\\rightarrow 2H_2O + O_2"
"M(H_2O)=2x1+16=18 g\/mole"
"n(H_2O)=65.88\/18=3.66 mole"
"n(H_2O_2)=n(H_2O)=3.66 mole"
"M(H_2O_2)=2x1+2x16=34 g\/mole"
"m(H_2O_2)=34x3.66=124.44 g"
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