grams of sodium carbonate according to the following reaction? 3 Na2CO3 + 2 AlCl3 ... If the reaction results in 125 g of Silver chromate, what is my ...
Chapter 12 Practice Test (Show your Work, answers to the first decimal place)
1.
How many moles of oxygen, O2, can be formed by the decomposition of 9 moles of Nickel (III) oxide, Ni2O3? 2 Ni2O3 → 4 Ni + 3 O2
2.
How many grams of potassium fluoride would form if 22.5 moles of aluminum fluoride was reacted with excess potassium? AlF3 + 3 K
3.
Al + 3 KF
Suppose that an excess of propane, C3H8 burns to produce 120 g of H2O. How many moles of O2 were required? C3H8 + 5 O2 → 3 CO2 + 4 H2O
4.
How many grams of aluminum chloride are required to completely react with 135 grams of sodium carbonate according to the following reaction? 3 Na2CO3 + 2 AlCl3 6 NaCl + Al2(CO3)3
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5.
Consider the following reaction: 4 Al + 3 O2 → 2 Al2O3 When 10 moles of Al reacts with 7 moles of O2, what are the limiting and excess reactants?
6.
Given the following equation: 2 CoCl3 + 3 H2SO4 6 HCl + Co2(SO4)3 If 100 g of CoCl3 is reacted with 135 g of H2SO4, determine the limiting and excess reactants.
7.
Calculate the theoretical and percent yield of PCl3 that results from reacting 5 g of P with excess Chlorine gas if only 17.2 g of PCl3 was isolated? 2 P + 3 Cl2 2 PCl3
8.
Given the following reaction: 2 Ag3PO4 + Ti2(CrO4)3 3 Ag2CrO4 + 2 TiPO4 If I perform this reaction with 130 g of Silver phosphate and 70 g of Titanium (III) chromate, what is my theoretical yield in grams of Silver chromate? If the reaction results in 125 g of Silver chromate, what is my percent yield?
