Choose the letter of the correct answer. 1. Silicon carbide, an abrasive, is made by the reaction of silicon dioxide with graphite. SiO2 + 3C → SiC + 2CO If 100 g of SiO2 and 100g of C are reacted as far as possible, which one of the following statements will be correct? A. 111 g of SiO2 will be left over. B. 44 g of SiO2 will be left over. C. 40 g of C will be left over. D. Both reactants will be consumed completely. 2. How many grams of Ag2CO3 are required to react with 28.5 mL of 1.00 M NaOH solution? Ag2CO3 + 2NaOH → Ag2O
Choose the letter of the correct answer. 1. Silicon carbide, an abrasive, is made by the reaction of silicon dioxide with graphite. SiO2 + 3C → SiC + 2CO If 100 g of SiO2 and 100g of C are reacted as far as possible, which one of the following statements will be correct? A. 111 g of SiO2 will be left over. B. 44 g of SiO2 will be left over. C. 40 g of C will be left over. D. Both reactants will be consumed completely. 2. How many grams of Ag2CO3 are required to react with 28.5 mL of 1.00 M NaOH solution? Ag2CO3 + 2NaOH → Ag2O
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter3: Stoichiometry
Section: Chapter Questions
Problem 10ALQ: Consider an iron bar on a balance as shown. As the iron bar rusts, which of the following is true?...
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Choose the letter of the correct answer.
1. Silicon carbide, an abrasive, is made by the reaction of silicon dioxide with graphite.
SiO2 + 3C → SiC + 2CO
If 100 g of SiO2 and 100g of C are reacted as far as possible, which one of the following statements will be correct?
A. 111 g of SiO2 will be left over.
B. 44 g of SiO2 will be left over.
C. 40 g of C will be left over.
D. Both reactants will be consumed completely.
2. How many grams of Ag2CO3 are required to react with 28.5 mL of 1.00 M NaOH solution?
Ag2CO3 + 2NaOH → Ag2O + Na2CO3 + H2O
A. 7.87 g
B. 3.93 g
C. 15.7 g
D. 10.8 g
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