Chemistry - Test Review (Molar Conversions)

Quiz
•
Science
•
9th - 12th Grade
•
Easy
Standards-aligned
Matt Shull
Used 2+ times
FREE Resource
7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
How many moles are in 72.9 g of HCl?
2.00 moles
1.34 moles
2.97 moles
6.02 x 1023
Tags
NGSS.HS-PS1-7
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What percentage of the total atomic mass of carbon monoxide (CO) is composed of oxygen?
29%
43%
57%
73%
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
How many grams are in 3.01 × 1024 molecules of (NH4)2SO4? (Molar Mass (NH4)2SO4 = 132.17 g/mol
330.28 g
496.81 g
660.85 g
872.16 g
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
How many grams of NaOH do you have to dissolve to make 725 mL of a 2.5 M solution?
48.4 g
18.2 g
72.5 g
31.9 g
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A sample of the black mineral hematite, an oxide of iron found in many iron ores, contains 34.97 g of iron and 15.03 g of oxygen. What is the empirical formula of hematite?
FeO
Fe2O3
Fe2O2
Fe2O5
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
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