Chemistry Chapter 12

Quiz
•
Science
•
11th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Using the following equation:
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron (Fe) can be made from 6 moles H2?
4 moles Fe
6 moles Fe
9 moles Fe
2 moles Fe
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Balance this reaction: ____ RbNO3 + ____ BeF2 ----> ____ Be(NO3)2 + ____ RbF
1,1,1,1
1,2,1,1
2,1,1,2
2,1,2,1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the mass of one mole of silver?
32.06 g
107.87 g
14.01 g
22.99 g
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
48.86 g of cobalt is equal to how many moles of cobalt?
2879 moles
8.291 moles
.8291 moles
.829 moles
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
how many atoms are contained in a 456 g sample of carbon dioxide?
10.34 atoms
6.237 x 1024 atoms
1.871 x 1025atoms
2.079 x 1024 atoms
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What would be the mass of 9.76 x 1022 formula units of SrCl2?
.1622 g
25.7 g
20.0 g
.3589 g
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A sample of AlCl3 contains a total of 4.515 x 1027 atoms of chlorine. What must be the mass of this sample?
2.500 x 105 g
1.000 x 106 g
18.75 g
3.333 x 105 g
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