LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 13

MEDIUM

9th CBSE

IMPORTANT

Earn 100

Calculate the mass of $1$ mole of water.

Important Questions on Atoms and Molecules

MEDIUM

9th CBSE

IMPORTANT

LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 14

Calculate the mass of

H_{2} S

contained in

0.40

mole of

H_{2} S

.

MEDIUM

9th CBSE

IMPORTANT

LIVING SCIENCE CHEMISTRY 9>Chapter 3 - Atoms and Molecules>Practice Questions>Q 15

Calculate the number of moles in $17 g$ of $H_{2} O_{2}$ .

MEDIUM

9th CBSE

IMPORTANT

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

What is the mass of

10

moles of sodium sulphite (

{Na}_{2} {SO}_{3}

)?

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 $CO$ .