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16 Nov 2019
When table sugar is burned in air, carbon dioxide and water vapor are products, as shown by the following balanced chemical equation: C_22H_22O_11() + 12 O_2(g) rightarrow 12CO_2(g) + 11H_2O(g) How many moles of oxygen are required to react completely with 3.68 mol of sugar? a. 44.2 b. 65 c. 3.68 d. 88 What is the molar mass of nitroglycerin, C_3H_5(NO_3)_3? a. 179 g/mol b. 227 g/mol c. 199 g/mol d. 185 g/mol Determine the percentage composition (by mass) of oxygen in NH_4 NO_3. a. 72.68 % b. 59.96% C. 19.99 % d. 99.89 % How many calcium atoms are in 16.6 g sample of Ca? a. 10.00 times 10^24 atoms b. 2.49 times 10^23 atoms c. 4.14 times 10^1 atoms d. 16.6 atoms
When table sugar is burned in air, carbon dioxide and water vapor are products, as shown by the following balanced chemical equation: C_22H_22O_11() + 12 O_2(g) rightarrow 12CO_2(g) + 11H_2O(g) How many moles of oxygen are required to react completely with 3.68 mol of sugar? a. 44.2 b. 65 c. 3.68 d. 88 What is the molar mass of nitroglycerin, C_3H_5(NO_3)_3? a. 179 g/mol b. 227 g/mol c. 199 g/mol d. 185 g/mol Determine the percentage composition (by mass) of oxygen in NH_4 NO_3. a. 72.68 % b. 59.96% C. 19.99 % d. 99.89 % How many calcium atoms are in 16.6 g sample of Ca? a. 10.00 times 10^24 atoms b. 2.49 times 10^23 atoms c. 4.14 times 10^1 atoms d. 16.6 atoms
Irving HeathcoteLv2
9 May 2019