MEDIUM
9th CBSE
IMPORTANT
Earn 100

Calculate the molar mass of the following compound:
Na2CO3
 

Important Questions on Atoms and Molecules

MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>Check Point 04>Q 3
Calculate the molar mass of the following compound:
H3PO4
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>Check Point 04>Q 3
Calculate the molar mass of the following compound:
Ca(OH)2
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>Check Point 04>Q 3
Calculate the molar mass of the following compound:
AI2(SO4)3
HARD
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>Check Point 04>Q 4
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?
HARD
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>Check Point 04>Q 5
Calculate the number of sodium ions that are present in 212 g of sodium carbonate.
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>CHAPTER EXERCISE>Q 1
A sample of pure water, irrespective of its source, contain 11.1% hydrogen and 88.9% oxygen. The data supports
MEDIUM
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>CHAPTER EXERCISE>Q 2
How many moles are present in 11.5g of sodium?
EASY
9th CBSE
IMPORTANT
All In One SCIENCE CBSE Class IX>Chapter 3 - Atoms and Molecules>CHAPTER EXERCISE>Q 3
In which of the following, the valency of each of the constituent elements is equal to the total number of atoms in one molecule of the compound?