Question

Culculate the mass of 6.68×10^23molecules of pcl3

Answer 1

Answer:

Mass = 153.34 g

Explanation:

1 mole of pcl3 of 6.022 x 10^23 molecules weighs 137.33 g

x mole of pcl3 of 6.68 x 10^23 molecules weighs (137.33 x 6.68 x 10^23)/6.022 x 10^23

6.68 molecul;es of pcl3 weigh 153.34 g