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Moles Review

Authored by Natalie St.Fleur

Chemistry

9th - 12th Grade

NGSS covered

Used 16+ times

Moles Review
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24 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Avogadro’s number is:

6.02 x 1022

6

6.02 x 1023

3.01 x 1023

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

A student wants to determine how many water molecules are in 5.2 moles of water.  Which conversion would the student use to convert from moles to number of molecules?

 1 mole6.02 x 1023 molecules\frac{1\ mole}{6.02\ x\ 10^{23}\ molecules} 

 6.02 x 1023moles1 molecule\frac{6.02\ x\ 10^{23}moles}{1\ molecule} 

 6.02 x 1023molecules1 mole\frac{6.02\ x\ 10^{23}molecules}{1\ mole} 

 1 molecule6.02 x 1023 moles\frac{1\ molecule}{6.02\ x\ 10^{23}\ moles} 

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

How many water molecules are in 5.2 moles of water?

6.0 x 1023 molecules

5.2 molecules

3.1 x 1024 molecules

8.6 x 10-24 molecules

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

How many moles of methane (CH4) are in 1.24 x 1026 molecules of methane?

6.02 x 1023 moles

7.46 x 1048 moles

978 moles

206 moles

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

The mass of one mole of a substance is called...

molecular mass

mole constant

molar mass

atomic weight

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

What is the molar mass of NaCl?

58.44g/mol

28g/mol

12g/mol

6.02 x 1023

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What is the molar mass of Ca(NO3)2?

148.096 g

164.086 g

102.055 g

70.084 g

Tags

NGSS.HS-PS1-7

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