Molar Masses Answers

2 verified answers2 views

The molar mass of copper(II) chloride (CuCl2) is 134.45 g/mol. How many formula units of CuCl2 are present in 17.6 g of CuCl2?

7.88 × 1022 formula units

1.84 × 1023 formula units

1.91 × 1023 formula units

1.42 × 1024 formula units

The molar mass of barium nitrate (Ba(NO3)2) is 261.35 g/mol. What is the mass of 5.30 × 1022 formula units of Ba(NO3)2?

0.0900 g

12.0 g

23.0 g

3,130 g

Did you find these answers helpful?

More from this Course