What is a mole in chemistry?
Unit 5 Moles and Molar Mass

Flashcard
•
Chemistry
•
10th - 11th Grade
•
Hard
Quizizz Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Back
A mole is a unit of measurement used to express amounts of a chemical substance. It is defined as the amount of substance that contains as many entities (atoms, molecules, etc.) as there are in 12 grams of carbon-12.
2.
FLASHCARD QUESTION
Front
How do you calculate the number of moles from grams?
Back
Number of moles = mass (g) / molar mass (g/mol).
3.
FLASHCARD QUESTION
Front
What is molar mass?
Back
Molar mass is the mass of one mole of a substance, typically expressed in grams per mole (g/mol). It is calculated by summing the atomic masses of all atoms in a molecule.
4.
FLASHCARD QUESTION
Front
How many moles are in 98.3 grams of aluminum hydroxide, Al(OH)3?
Back
1.26 moles.
5.
FLASHCARD QUESTION
Front
How do you convert atoms to moles?
Back
To convert atoms to moles, use the formula: Number of moles = number of atoms / Avogadro's number (6.022 x 10^23).
6.
FLASHCARD QUESTION
Front
How many moles are in 5.11 x 10^23 atoms of lithium (Li)?
Back
0.849 moles.
7.
FLASHCARD QUESTION
Front
What is the formula to calculate mass from moles?
Back
Mass (g) = number of moles x molar mass (g/mol).
Create a free account and access millions of resources
Similar Resources on Quizizz
14 questions
Mole Conversions

Flashcard
•
10th - 12th Grade
13 questions
Gas Law Stoichiometry

Flashcard
•
10th - 12th Grade
15 questions
Mole Unit Test Review

Flashcard
•
10th - 11th Grade
15 questions
Stoichiometry Test Review

Flashcard
•
10th - 11th Grade
14 questions
Percent Composition, Molecular and Empirical Formula

Flashcard
•
10th - 11th Grade
15 questions
Mole Conversions

Flashcard
•
10th - 11th Grade
15 questions
U7 Day 3 Warm up - Gas Stoichiometry

Flashcard
•
10th - 11th Grade
12 questions
Compositional Stoichiometry Review

Flashcard
•
10th - 11th Grade
Popular Resources on Quizizz
15 questions
Multiplication Facts

Quiz
•
4th Grade
20 questions
Math Review - Grade 6

Quiz
•
6th Grade
20 questions
math review

Quiz
•
4th Grade
5 questions
capitalization in sentences

Quiz
•
5th - 8th Grade
10 questions
Juneteenth History and Significance

Interactive video
•
5th - 8th Grade
15 questions
Adding and Subtracting Fractions

Quiz
•
5th Grade
10 questions
R2H Day One Internship Expectation Review Guidelines

Quiz
•
Professional Development
12 questions
Dividing Fractions

Quiz
•
6th Grade
Discover more resources for Chemistry
25 questions
Spanish preterite verbs (irregular/changed)

Quiz
•
9th - 10th Grade
10 questions
Juneteenth: History and Significance

Interactive video
•
7th - 12th Grade
8 questions
"Keeping the City of Venice Afloat" - STAAR Bootcamp, Day 1

Quiz
•
9th - 12th Grade
20 questions
Distance, Midpoint, and Slope

Quiz
•
10th Grade
20 questions
Figurative Language Review

Quiz
•
10th Grade
20 questions
Understanding Linear Equations and Slopes

Quiz
•
9th - 12th Grade