Chemical Quantities
Quiz
•
Chemistry
•
10th Grade - University
•
Practice Problem
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
Enhance your content in a minute
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the percent by mass of oxygen in MgO?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many molecules are in 2.5 mol of NaCl?
1.50 x1024 molecules
1.50 molecules
4.15 molecules
1.51 x1024 molecules
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
A student calculated the number of moles of methane (CH4) present in a 100g sample of a gaseous mixture. If the student determined that there’s 0.6 moles of methane present in the sample, what is the percent composition of methane in the sample?
.096%
9.6%
.9%
90%
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A 15.67 g sample of a hydrate of magnesium carbonate was heated to drive off the water. The mass was reduced to 7.58 g. What is the formula of the hydrate?
Tags
NGSS.HS-PS1-2
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the empirical formula of a compound that is 81.82% carbon and 18.18% hydrogen?
C3H8
CH4
C2H2
C4H10
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2 KClO3 → 2 KCl + 3 O2
How many moles of oxygen are produced when 6.7 moles of KClO3 decompose completely?
Tags
NGSS.HS-PS1-7
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Cl2 + 2 KBr → Br2 + 2 KCl
How many grams of potassium chloride can be produced from 356 g of chlorine and 356 g of potassium bromide?
Tags
NGSS.HS-PS1-7
Access all questions and much more by creating a free account
Create resources
Host any resource
Get auto-graded reports

Continue with Google

Continue with Email

Continue with Classlink

Continue with Clever
or continue with

Microsoft
%20(1).png)
Apple
Others
Already have an account?
Similar Resources on Wayground
20 questions
SEC 1 LESSON 4
Quiz
•
11th Grade
10 questions
REACCIONES QUIMICAS
Quiz
•
10th Grade
10 questions
Combustion du méthane (rapport molaire)
Quiz
•
11th Grade
15 questions
GEN CHEM 1 QUARTER 2 MODULE 2 POST TEST
Quiz
•
11th Grade
20 questions
Formula of Ions
Quiz
•
10th - 11th Grade
17 questions
8th grade science STAAR review 1
Quiz
•
KG - University
10 questions
III.P.QUIMIC tercero. ley de Boyle, Charles
Quiz
•
12th Grade
10 questions
S - Block Elements (Alkali Metals)
Quiz
•
11th Grade - Professi...
Popular Resources on Wayground
15 questions
Fractions on a Number Line
Quiz
•
3rd Grade
20 questions
Equivalent Fractions
Quiz
•
3rd Grade
25 questions
Multiplication Facts
Quiz
•
5th Grade
22 questions
fractions
Quiz
•
3rd Grade
20 questions
Main Idea and Details
Quiz
•
5th Grade
20 questions
Context Clues
Quiz
•
6th Grade
15 questions
Equivalent Fractions
Quiz
•
4th Grade
20 questions
Figurative Language Review
Quiz
•
6th Grade
Discover more resources for Chemistry
20 questions
Types of Chemical Reactions
Quiz
•
9th - 12th Grade
20 questions
Energy Transformations
Quiz
•
9th - 12th Grade
20 questions
Periodic Table & Trends
Quiz
•
10th Grade
17 questions
Reaction Rates
Quiz
•
11th Grade
20 questions
Periodic Trends
Quiz
•
10th Grade
24 questions
Identifying Types of Chemical Reactions
Quiz
•
10th - 12th Grade
20 questions
Naming & Writing Chemical Formulas
Quiz
•
10th Grade
20 questions
Atomic Structure
Quiz
•
10th - 12th Grade
