Asked by Anonymous

For the question(s) that follow, consider the following equation.

2Mg + O2¨ 2MgO


How many grams of MgO are produced when 40.0 grams of O2 react completely with Mg?
Answered by DrBob222
Convert 40 g oxygen to moles. moles = grams/molar mass

Using the coefficients in the balanced equation, convert moles oxygen to moles MgO.

Convert moles MgO to grams. g = mols x molar mass.
Answered by Kevin
60.8
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