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2.) Metals reacts with oxygen gas to form the metal oxide. For example, magnesium reacts as follows: 2 Mg (s) + O2 (g) ---> 2 MgO (s) (A) What is the mass (in grams) of magnesium oxide that can be prepared from 4.20 g of Mg and 1.40 g of O2? (B) Which is limiting reactant? Molar Masses: 1 mole of Mg = 24.32 grams of Mg 1 mole of = 32 grams of O2 1 mole of MgO = 40.31 grams of MgO

2.) Metals reacts with oxygen gas to form the metal oxide. For example, magnesium reacts as follows: 2 Mg (s) + O2 (g) ---> 2 MgO (s) (A) What is the mass (in grams) of magnesium oxide that can be prepared from 4.20 g of Mg and 1.40 g of O2? (B) Which is limiting reactant? Molar Masses: 1 mole of Mg = 24.32 grams of Mg 1 mole of = 32 grams of O2 1 mole of MgO = 40.31 grams of MgO

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter4: Stoichiometry: Quantitative Information About Chemical Reactions
Section4.9: Spectrophotometry
Problem 1.1ACP
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2.) Metals reacts with oxygen gas to form the metal oxide. For example, magnesium reacts as follows: 2 Mg (s) + O2 (g) ---> 2 MgO (s) (A) What is the mass (in grams) of magnesium oxide that can be prepared from 4.20 g of Mg and 1.40 g of O2? (B) Which is limiting reactant? Molar Masses: 1 mole of Mg = 24.32 grams of Mg 1 mole of = 32 grams of O2 1 mole of MgO = 40.31 grams of MgO %3D Ratio: 2 mole of Mg = 2 mole of MgO %3| 1 mole of O2 = 2 mole of Mgo
Transcribed Image Text:2.) Metals reacts with oxygen gas to form the metal oxide. For example, magnesium reacts as follows: 2 Mg (s) + O2 (g) ---> 2 MgO (s) (A) What is the mass (in grams) of magnesium oxide that can be prepared from 4.20 g of Mg and 1.40 g of O2? (B) Which is limiting reactant? Molar Masses: 1 mole of Mg = 24.32 grams of Mg 1 mole of = 32 grams of O2 1 mole of MgO = 40.31 grams of MgO %3D Ratio: 2 mole of Mg = 2 mole of MgO %3| 1 mole of O2 = 2 mole of Mgo
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