Quantitative Chemistry

Quantitative Chemistry

9th - 11th Grade

18 Qs

quiz-placeholder

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Quantitative Chemistry

Quantitative Chemistry

Assessment

Quiz

Chemistry

9th - 11th Grade

Practice Problem

Hard

NGSS
HS-PS1-7

Standards-aligned

Created by

Sadaf Choudhry

Used 843+ times

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relative formula mass of CO2?

44
32
16
56

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit for molar mass?

no unit
g
g mol-1

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for iron(III) oxide?

FeO
Fe3O
Fe3O2
Fe2O3

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Calculate the number of gold atoms in a 4 mole sample of gold.

2.41x1024
3.01x1023
4.82x1024
6.02x1023

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Calculate the number of moles of Aluminum in a 2.04 mole sample of aluminum oxide, Al2O3.

2.04 moles
4.08 moles
6.12 moles
1.02 moles

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Calculate the mass of oxygen present in a 55g sample of Aluminum oxide, Al2O3.

29.28
19.95
11.36
32.33

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Calculate the % composition by mass of oxygen present in H2SO4.

16.3%
65.25%
32.6%
57.14%

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