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From Molecules to Moles: Understanding Avogadro's Number

Authored by Darius Todd

Chemistry

9th Grade

Used 1+ times

From Molecules to Moles: Understanding Avogadro's Number
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5 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

1 mole

2 moles

0.5 moles

4 moles

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

0.5 moles

1 mole

1.5 moles

2 moles

3.

DRAG AND DROP QUESTION

5 mins • 4 pts

To convert molecules to moles, you need to ​ (a)   ​ (b)   by Avogadro's number. To convert moles to molecules, you need to ​ (c)   ​ (d)   by Avogadro's number.

the number of molecules
multiply
the number of moles
divide

4.

DRAG AND DROP QUESTION

10 mins • 4 pts

Avogadro's number tells us ​ (a)   . This number is ​ (b)   . In order change the number of molecules into the number of moles we use the number of molecules ​ ​ (c)   Avogadro's number. If we want to go the opposite direction and change the number of moles to the number of molecules, we use the number of moles ​ (d)   Avogadro's number.

the number of particles in a mole
6.022 x 10^23
divided by
multiplied by

5.

MATCH QUESTION

10 mins • 5 pts

Match the following moles to the number of molecules. Remember Moles = Number of molecules/ Avogadros' number

1.506 x 10^23 molecules

1 mole

2.408 x 10^24 molecules

4 moles

1.204 x 10^24 molecules

2 moles

6.022 x 10^23 molecules

.25 moles

3.011 x 10^23 molecules

.5 moles

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