Moles Review

Scientific Notation

100

Write the number 32,500,000,000,000 in scientific notation. 

3.25 x 10¹³

200

Write the number 5.37 x 10⁹ in standard notation. 

5,370,000,000

Molar Mass

100

Calculate the molar mass of CaCOH.

69.1 g

200

Calculate the molar mass of CuSO₄.

159.61

To/From Moles

100

How many moles are in 88.8 L of Helium (He)?

3.96 moles

200

How many molecules are in 5 moles of Glucose (C₆H₁₂O₆)?

1.51 x 10²⁴ molecules of Glucose

300

What is the mass of 4 moles of Helium (He)?

16 g

Unit to Unit

100

How many liters are there in 1.31 x 10²⁵ molecules of ClO₂?

487 L

200

What is the mass in grams of 14.8 liters of N₂O?

29.1 g

300

How many molecules are in 535 grams of NaSCN?

3.97 x 10²⁴