Chemistry Stoichiometry Study Guide
Authored by Hannah Fife
Science
10th Grade
Used 2+ times
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50 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What SI unit is used to measure the number of representative particles in a substance?
kilogram
ampere
kelvin
mole
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many hydrogen atoms are in 5 molecules of isopropyl alcohol, C₃H₇O?
5 × (6.02 × 10²³)
5
35
35 × (6.02 × 10²³)
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many moles of tungsten atoms are in 4.8 × 10²⁵ atoms of tungsten?
8.0 × 10² moles
8.0 × 10¹ moles
1.3 × 10⁻¹ moles
1.3 × 10⁻² moles
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many moles of silver atoms are in 1.8 × 10²⁰ atoms of silver?
3.0 × 10⁻⁴
3.3 × 10⁻³
3.0 × 10²
1.1 × 10⁴⁴
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many atoms are in 0.075 mol of titanium?
1.2 × 10⁻²⁵
2.2 × 10²⁴
6.4 × 10²
4.5 × 10²²
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many atoms are in 3.5 moles of arsenic atoms?
5.8 × 10⁻²⁴ atoms
7.5 × 10¹ atoms
2.1 × 10²⁴ atoms
1.7 × 10²³ atoms
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Butanol is composed of carbon, hydrogen, and oxygen. If 1.0 mol of butanol contains 6.0 × 10²⁴ atoms of hydrogen, what is the subscript for the hydrogen atom in C₄HₓO?
1
10
6
8
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