Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 6 - Using Moles>Q>Q 4

EASY

Upper Secondary: IGCSE

IMPORTANT

Earn 100

Find the mass of $1$ mole of chlorine molecules.

Important Questions on Using Moles

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 6 - Using Moles>Q>Q 5

Find the mass of

2

moles of oxygen atoms.

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 6 - Using Moles>Q>Q 5

Find the mass of

2

moles of oxygen molecules.

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 6 - Using Moles>Q>Q 6

Find the mass of

3

moles of ethanol

(C_{2} H_{5} OH)

.

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 6 - Using Moles>Q>Q 7

How many moles of molecules are there in $18 g$ of hydrogen $(H_{2})$ ?

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 6 - Using Moles>Q>Q 7

How many moles of molecules are there in $54 g$ of water?

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 6 - Using Moles>Q>Q 8

Sodium chloride is made up of

{Na}^{+}

and

{Cl}^{-}

ions. How many sodium ions are there in

58.5 g

of sodium chloride?

[A_{r} : Na = 23, CI = 35.5]

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 6 - Using Moles>Q>Q 8

Sodium chloride is made up of

{Na}^{+}

and

{Cl}^{-}

ions. What is the mass of one mole of chloride ions?

[A_{r} : Na = 23, CI = 35.5]

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 6 - Using Moles>Q>Q 1

The reaction between magnesium and oxygen is:

$2 Mg (s) + O_{2} (g) \to 2 MgO (s)$

Write a word equation for the reaction.