Question

chemical formulas list of chapter 2 (Is matter around us pure) 3 (Atoms and molecules) 4 (Structure of the Atom) class 9th
for example
Mass = Molar mass × number of moles​

Answer 1

Answer:

can't understand your question

Explanation:

i mean exactly what is your question..what do u want to know about

Answer 2

Answer:

according to me it's better to learn that how the calculate the chemical formula inspite of learning formula