LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 16

MEDIUM

9th CBSE

IMPORTANT

Earn 100

What is the mass of $10$ moles of sodium sulphite ( ${Na}_{2} {SO}_{3}$ )?

Important Questions on Atoms and Molecules

MEDIUM

9th CBSE

IMPORTANT

LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 17

A sample of ammonia (

{NH}_{3}

) weighs

2.00 g

. Calculate the mass of sulphur dioxide (

{SO}_{2}

) that contains the same number of molecules as are in

2.00 g

of ammonia.

MEDIUM

9th CBSE

IMPORTANT

LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 18

The relative atomic masses of

Li

and

N

are

7.0

and

14.0

respectively. Calculate the ratio of the masses of

Li

and

N

in lithium nitride.

EASY

9th CBSE

IMPORTANT

LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 19

Calculate the molecular mass of $N_{2}$ .

EASY

9th CBSE

IMPORTANT

LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 19

Calculate the molecular mass of $F_{2}$ .

EASY

9th CBSE

IMPORTANT

LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 19

Calculate the molecular mass of $CO$ .

EASY

9th CBSE

IMPORTANT

LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 19

Calculate the molecular mass of ${NH}_{4} OH$ .

EASY

9th CBSE

IMPORTANT

LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 19

Calculate the molecular mass of $H_{2} {SO}_{4}$ .

EASY

9th CBSE

IMPORTANT

LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 19

Calculate the molecular mass of $C_{2} H_{5} OH$ .