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133 solutions


Q. Sulfuric acid can dissolve aluminum metal according to the following reaction: 2 Al(s) + 3 H2SO4 (aq) ---> Al2(SO4)3 (aq) + 3 H2 (g). Suppose you wanted to dissolve an aluminum block with a mass of 27.7g. What minimum amount of H2SO4 in grams would you need? How many grams of H2 gas would be produced by the complete reaction of the aluminum block?

Solved • Nov 30, 2019


Q. Consider the following balanced chemical equation: 5 C(s) + 2 SO2 (g)→ CS2 (g) + 4 CO(g) a. If 12.6 g of carbon react with excess sulfur dioxide, what mass of carbon monoxide is expected? b. How many carbon atoms reacted in part (a)?

Solved • Nov 25, 2019


Q. How many grams of sulfuric acid, H2SO4, can be obtained from 578 grams of iron ore if the ore is 76.0% FeS? The reactions involved are given below. Each reaction is 92.0% efficient. 4 FeS + 7O2 → 2 Fe2O3 + 4 SO2 2 SO2 + O2 → 2 SO3 SO3 + H2O → H2SO4

Solved • Nov 23, 2019


Q. Calculate the mass in kilograms of the amount of the following iron compound that contains 1.0 x 10^3 kg of iron: Fe2O3

Solved • Nov 21, 2019


Q. How many grams of Cl are in 41.0g of CF2CL2

Solved • Nov 21, 2019


Q. Iron(III) oxide powder and aluminum filings react to form solid aluminum oxide and liquid iron. Calculate the mass of Al2O3 produced from the reaction of 45 g Fe2O3 with Al.

Solved • Nov 20, 2019


Q. How many grams of CaCl2 are formed when 25.00 mL of 0.00237 M Ca(OH)2 reacts with excess Cl2 gas?       2 Ca(OH)2(aq) + 2 Cl2(g) → Ca(OCl)2(aq) + CaCl2(s) + 2 H2O(ℓ)

Solved • Nov 19, 2019