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Quiz 1: Mole Concept

Authored by AZURAH KMM

Chemistry

12th Grade - University

NGSS covered

Used 53+ times

Quiz 1: Mole Concept
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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which one is empirical?

H2O2
C2H6O12
CaCl2
N2O8

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the molar mass of carbon?

12.0 g
12.0 mol
12.0 amu
12.0 g/mol

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A mole of Neon contains
6.02 x 1023 _____.

atoms
formula units
ions
molecules

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The number 6.02 x 1023 is called...

Obama's number
Bohr's number
Trump's number
Avogadro's number

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Molar mass is in units of ________.

grams
grams/mole
mole
moles/gram

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image

Calculate the number of moles of 0.25 g of H2SO4?

2.00 x 10-3 mol
2.35 x 10-3 mol
2.55 x 10-3 mol
3.00 x 10-3 mol

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

How many hydrogen atoms in 0.5 g ammonia?

5.3144 x 1022 atoms
1.7715 x 1022 atoms
6.023 x 1022 atoms
3.543 1022 atoms

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