Modern Approach to Chemical Calculations>Chapter 1 - Elementary Problems Based on Definition of Mole: The Mole Concept>Objective Problems>Q 4

MEDIUM

JEE Main

IMPORTANT

Earn 100

The density of air is $0.001293 g {cc}^{- 1}$ at STP. Its vapour density is

50% studentsanswered this correctly

Important Questions on Elementary Problems Based on Definition of Mole: The Mole Concept

EASY

JEE Main

IMPORTANT

Modern Approach to Chemical Calculations>Chapter 1 - Elementary Problems Based on Definition of Mole: The Mole Concept>Objective Problems>Q 5

5.6 litres

of oxygen at

NTP

is equivalent to:

MEDIUM

JEE Main

IMPORTANT

Modern Approach to Chemical Calculations>Chapter 1 - Elementary Problems Based on Definition of Mole: The Mole Concept>Objective Problems>Q 6

22.4

litres

of water vapour at

NTP

, when condensed to water, occupies an approximate volume of:

MEDIUM

JEE Main

IMPORTANT

Modern Approach to Chemical Calculations>Chapter 1 - Elementary Problems Based on Definition of Mole: The Mole Concept>Objective Problems>Q 7

Which of the following has the highest mass?

EASY

JEE Main

IMPORTANT

Modern Approach to Chemical Calculations>Chapter 1 - Elementary Problems Based on Definition of Mole: The Mole Concept>Objective Problems>Q 8

6 \cdot 022 \times 10^{22}

molecules of

N_{2}

at NTP will occupy a volume of:

EASY

JEE Main

IMPORTANT

Modern Approach to Chemical Calculations>Chapter 1 - Elementary Problems Based on Definition of Mole: The Mole Concept>Objective Problems>Q 9

How many grams are contained in

1

gram - atom

of

Na

?

MEDIUM

JEE Main

IMPORTANT

Modern Approach to Chemical Calculations>Chapter 1 - Elementary Problems Based on Definition of Mole: The Mole Concept>Objective Problems>Q 10

The weight of $350 mL$ of a diatomic gas at $0 ° C$ and $2$ $atm$ pressure is $1 g$ . The weight of one atom is:

(N

is the Avogadro's constant

)

MEDIUM

JEE Main

IMPORTANT

Modern Approach to Chemical Calculations>Chapter 1 - Elementary Problems Based on Definition of Mole: The Mole Concept>Objective Problems>Q 11

The number of atoms present in

16 g

of oxygen is

EASY

JEE Main

IMPORTANT

Modern Approach to Chemical Calculations>Chapter 1 - Elementary Problems Based on Definition of Mole: The Mole Concept>Objective Problems>Q 12

1 mol

of a compound contains

1 mol

of

C

and

2 mol

of

O

. The molar mass of the compound is