9. For the reaction: 2H, + 0, →2 H,0 A) What is the mole ratio? B) What is the mass ratio?

Introductory Chemistry For Today
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Chapter5: Chemical Reactions
Section: Chapter Questions
Problem 5.39E
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Please answer all questions.
9. For the reaction: 2H, + O, →2 H,0
A) What is the mole ratio?
B) What is the mass ratio?
10. For the reaction: 2HC1 + Mg → H, + MgCl,
A) What is the mole ratio?
B) What is the mass ratio?
IA O
Transcribed Image Text:9. For the reaction: 2H, + O, →2 H,0 A) What is the mole ratio? B) What is the mass ratio? 10. For the reaction: 2HC1 + Mg → H, + MgCl, A) What is the mole ratio? B) What is the mass ratio? IA O
Representing Chemical Reactions
b. Highlight the ratios below that are invalid for the reaction in this question, and explain why they are not
correct.
Explanation:
2 moles HCI
1 mole H,
1 atom Mg
2)
1 mole MgCl,
1 mole Mg
1)
3)
1 mole H
1 molecule H,
4)
1 atom Mg
1 mole MgCl,
5)
1 mole HCI
1 molecule H,
6)
1 mole MgCl,
11. Rank the following from least to most.
A) 1.2x1024 molecules of O,, 32 grams of O, and 1.5 moles of O,
LEAST
MOST
B) Number of particles contained in 100g of NaCI, 100g of CaCO,, 100g of FeCl,, and 100g of Mn0,
LEAST
MOST
IA
Transcribed Image Text:Representing Chemical Reactions b. Highlight the ratios below that are invalid for the reaction in this question, and explain why they are not correct. Explanation: 2 moles HCI 1 mole H, 1 atom Mg 2) 1 mole MgCl, 1 mole Mg 1) 3) 1 mole H 1 molecule H, 4) 1 atom Mg 1 mole MgCl, 5) 1 mole HCI 1 molecule H, 6) 1 mole MgCl, 11. Rank the following from least to most. A) 1.2x1024 molecules of O,, 32 grams of O, and 1.5 moles of O, LEAST MOST B) Number of particles contained in 100g of NaCI, 100g of CaCO,, 100g of FeCl,, and 100g of Mn0, LEAST MOST IA
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