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Science

9th - 12th Grade

NGSS covered

Used 3+ times

1/15 Mole Conversion Practice
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15 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of Avogadro’s number?

6.022×10206.022\times10^{20}

6.022×10236.022\times10^{23}

1.022×1061.022\times10^6

6.022236.022^{23}

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which unit is commonly used to express molar mass?

grams per liter

grams per mole

moles per liter

kilograms per mole

3.

MATCH QUESTION

1 min • 1 pt

Match the substances to the correct molar mass:

NaOH

44.01 g/mol

CO2

38.00 g/mol

KOH

26.98 g/mol

Al

56.1 g/mol

F2

40.00 g/mol

4.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

What is the molar mass of MgCl2?

(a)  

5.

LABELING QUESTION

1 min • 1 pt

How many moles are in 32.4 grams of MgCl2? Place the variables in the correct location to solve. (there are incorrect options)

a
b
c
70.90 g
59.488 g
95.211 g
95.211 mol
1 mol
32.4 g

Tags

NGSS.HS-PS1-7

6.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

How many moles are in 32.4 grams of MgCl2? (3 sig figs)

(a)  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many formula units are in 0.5 mol of MgCl2?

4.000 x 10^23
3.011 x 10^23
2.500 x 10^23
1.204 x 10^24

Tags

NGSS.HS-PS1-7

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