EASY
9th CBSE
IMPORTANT
Earn 100

Write the formula of the following compound.
Sodium phosphate.

Important Questions on Atoms and Molecules

MEDIUM
9th CBSE
IMPORTANT
How formula unit mass is different from molecular mass?
MEDIUM
9th CBSE
IMPORTANT
Which one is a larger quantity molar mass or molecular mass? Explain.
MEDIUM
9th CBSE
IMPORTANT

Calculate the molar mass of the following compound:

MgO

MEDIUM
9th CBSE
IMPORTANT
Calculate the molar mass of the following compound:
Na2CO3
 
MEDIUM
9th CBSE
IMPORTANT
Calculate the molar mass of the following compound:
H3PO4
MEDIUM
9th CBSE
IMPORTANT
Calculate the molar mass of the following compound:
Ca(OH)2
MEDIUM
9th CBSE
IMPORTANT
Calculate the molar mass of the following compound:
AI2(SO4)3
HARD
9th CBSE
IMPORTANT
Predict the mass possessed by a certain number of oxygen atoms which is equal to the number of molecules present 1 g of hydrogen gas?