Answer to Question #166443 in General Chemistry for Teeeeeeeeeera

Question

How many molecules are in 7.28 grams of phosphorus trichloride (PCl3)?

............molecules

What is the mass in grams of 8.25 x 10^22 molecules of phosphorus trichloride (PCl3)?

..........grams

with steps please

Answer 1

No of molecules = 7.28 x (6.02 x 10²³)

= 4.38 x 10²⁴

Mass = 8.25 x 10²²molecules/ (6.02 x 10²³)

= 0.137g