Question

If you were asked to actually calculate the requested value from the problem above, which mole ratio would best suit your calculations?(1 point)
Responses

2 mol Zn1 mol C
2 mol Zn1 mol C

1 mol C2 mol ZnO
1 mol C2 mol ZnO

2 mol ZnO1 mol CO2
2 mol ZnO1 mol CO2

2 mol ZnO1 mol C
2 mol ZnO1 mol C
Question 3
Use the interactive periodic table linked here to find the masses needed to calculate the molar mass of zinc oxide. Which value is closest to the molar mass of zinc oxide? (1 point)
Responses

65.38 gmol
65.38 gmol

81.38 gmol
81.38 gmol

77.39 gmol
77.39 gmol

16.00 gmol
16.00 gmol
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Answer 1

Q1: 2 mol ZnO : 1 mol C

Q2: 81.38 g·mol⁻¹