Question

What is tha formula for find n. Of molecules

Answer 1

Since one mole of any chemical compound always contains 6.022 x 10^23 molecules, you can calculate the number of molecules of any substance if you know its mass and its chemical formula. The number 6.022 x 10^23 is called as the Avogadro constant.

Answer 2

No. of molecules= given mass in grams/molar mass