Question 1
What would be the g Al / mole S ratio for the product of a reaction between aluminum and sulfur?
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26.98 g Al / mol S◦
53.96 g Al / mol S◦
80.94 g Al / mol S◦
17.99 g Al / mol S◦
40.47 g Al / mol SQuestion 2
When 173.8 g of ethylene (C2H4) burns in oxygen to give carbon dioxide and water, how many grams of CO2 are formed?
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545.3 g◦
272.7 g◦
136.3 g◦
6.20 g◦
223.2 g