Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>PROBLEMS FOR PRACTICE>Q 7

EASY

11th CBSE

IMPORTANT

Earn 100

Calculate the mass of ${Na}_{2} {CO}_{3}$ which will have same number of molecules as contains in $12.3$ g of ${MgSO}_{4} . 7 H_{2} O$ .

Important Questions on Some Basic Concepts of Chemistry

EASY

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>PROBLEMS FOR PRACTICE>Q 8

Calculate the volume occupied by

10^{22}

molecules of a gas at

{Na}_{2} {CO}_{3}

and

760 mm

pressure.

EASY

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>PROBLEMS FOR PRACTICE>Q 9

Find the number of atoms of each type present in

3.42

grams of cane sugar (

C_{12} H_{22} O_{11}

).

EASY

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>PROBLEMS FOR PRACTICE>Q 10

Calculate the mass of

1

molecule of oxygen.

EASY

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>PROBLEMS FOR PRACTICE>Q 10

Calculate the mass of molecules of ammonia.

EASY

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>PROBLEMS FOR PRACTICE>Q 10

Calculate the volume occupied at

STP

by

16.0 g

of oxygen.

EASY

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>PROBLEMS FOR PRACTICE>Q 11

Calculate the volume occupied at

STP

by

1.5

molecule of oxygen.

EASY

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>PROBLEMS FOR PRACTICE>Q 11

Calculate the volume occupied at

STP

by

6.022

×

10^{23}

molecules of carbon dioxide.

EASY

11th CBSE

IMPORTANT

Pradeep's Chemistry Vol 1>Chapter 1 - Some Basic Concepts of Chemistry>PROBLEMS FOR PRACTICE>Q 11

How many grams of

H_{2} S

are contained in

0.40

mole of

H_{2} S

?