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Mole Conversions Quiz - #2

Last updated almost 5 years ago

6 questions

3

2

2

4

4

Question 5

5.

How many moles are in 3.6 g of NaOH?

2

Question 1

1.

What is a mole? Select all that apply.

a number that represents a very LARGE number

6.022 x 1023 

a word that chemists use to categorize chemical reactions

a number that represents a very SMALL number

word that means a number

Question 2

2.

What is Avagadro's number?

60.22 x 1023

6.022 x 1022

6.220 x 1023

6.022 x 1023

Question 3

3.

Calculate the mass of an 12.6 mole sample of iron.

705.6 g Fe

7.59 X 1024 g Fe

0.225 g Fe

225 g Fe

Question 4

4.

Calculate the total mass of 2.30 x 1024 molecules of Fe2O3.

Question 6

6.

Calculate the mass of 0.85 moles of sodium bicarbonate, NaHCO3.

5.12 x 1023 g NaHCO3

0.01 g NaHCO3

1.41 x 10-25 g NaHCO3

71.4 g NaHNO3