Question

How to calculate formula mass? Also, can anyone explain me how this one is calculated,,,, Bcz they have multiplied every element with a different number​

Answer 1

Answer:

we can calcute formula mass by the same method as molecular mass

e.g: formula mass of nacl:

1 x atomic mass of na + 1 x atomic mass of cl

1 x 23 + 1 x 35.5

58.5 amu

hope its helpful