Chemistry Help!!!!!!!?

1. Calculate the number of moles of Al2O3 produced from 27.6 moles of O2 a. 18.4 b. 20.7 c. 36.8 d. 41.4 2. Which symbol or formula below would correctly complete the reaction? MgO + H2O ----> a. MgH2 b. NH c. H2MgO2 d. Mg(OH)2 3. What mass in grams of AlO3 can be produced from 25.0 grams of aluminum?... show more 1. Calculate the number of moles of Al2O3 produced from 27.6 moles of O2

a. 18.4 b. 20.7 c. 36.8 d. 41.4

2. Which symbol or formula below would correctly complete the reaction?

MgO + H2O ---->

a. MgH2 b. NH c. H2MgO2 d. Mg(OH)2

3. What mass in grams of AlO3 can be produced from 25.0 grams of aluminum?

a. 25.0 b. 47.2 c. 18.0 d. 189 e. 2549

4. Calculate the number of grams of water produced from 17.1 moles of barium hydroxide.

a. 34.2 b. 154 c. 308 d. 616
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