Molar Mass & Gram-Mole Conversions
Authored by KRISTIN M HOFFERBERTH
Chemistry
10th - 11th Grade
NGSS covered
Used 12+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many of each element are in the compound CoCl2
1 cobalt, 2 chlorine
1 carbon, 1 oxygen, 2 chlorine
2 cobalt, 2 chlorine
Tags
NGSS.MS-PS1-1
2.
FILL IN THE BLANKS QUESTION
1 min • 1 pt
How many carbon atoms are shown by the formula V(C2O4)3?
(a)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many of each element are in the compound Cu3(PO4)2
3 copper, 2 phosphorus, 8 oxygen
3 copper, 1 phosphorus, 8 oxygen
3 copper, 1 phosphorus, 6 oxygen
1 copper, 3 phosphorus, 6 oxygen
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The molar mass of MgF2
62.31 g/mol
43.31 g/mol
86.62 g/mol
5.31 g/mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The molar mass of Mn(CO3)2
174.96 g/mol
162.95 g/mol
82.95 g/mol
144.33 g/mol
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The molar mass of (NH4)3P
85.12 g/mol
57.10 g/mol
110.96 g/mol
144.03 g/mol
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Convert 23.55 g of NF3 to moles.
0.3316 mol NF3
1672 mol NF3
3.01 mol NF3
0.6540 mol NF3
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