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Chemistry 4?
How many moles of CaO will be produced from 94.81 g of O2?
2Ca(s) + O2(g) → 2CaO(s)
mol
1 Answer
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- pisgahchemistLv 75 months ago
How many moles? ............ Use the unit-factor method (aka dimensional analysis).
2Ca(s) + O2(g) --> 2CaO(s)
.............94.81g ..... ? mol
94.81g O2 x (1 mol O2 / 32.00g O2) x (2 mol CaO / 1 mol O2) x (56.08g CaO / 1 mol CaO) = 332.3g CaO .............. rounded to 4 significant digits
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