EASY

Upper Secondary: IGCSE

IMPORTANT

Earn 100

Work out the $M_{r}$ for the following, and say whether it is the relative molecular mass or the relative formula mass:

Butane, $C_{4} H_{10}$

Important Questions on Reacting Masses, and Chemical Equations

EASY

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 5 - Reacting Masses, and Chemical Equations>Q>Q 4

Work out the $M_{r}$ for the following, and say whether it is the relative molecular mass or the relative formula mass:

Ethanol, $C_{2} H_{5} OH$

MEDIUM

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 5 - Reacting Masses, and Chemical Equations>Q>Q 4

Work out the $M_{r}$ , for the following, and say whether it is the relative molecular mass or the relative formula mass:

Ammonium sulphate, ${({NH}_{4})}_{2} {SO}_{4}$

HARD

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 5 - Reacting Masses, and Chemical Equations>Q>Q 1

Magnesium burning Chlorine to give Magnesium chloride,

{MgCl}_{2}

. In an experiment,

24 g

of Magnesium was found to react with

71 g

of Chlorine. How much Magnesium chloride was obtained in the experiment?

MEDIUM

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 5 - Reacting Masses, and Chemical Equations>Q>Q 1

Magnesium burning Chlorine to give Magnesium chloride,

{MgCl}_{2}

. In an experiment,

24 g

of Magnesium was found to react with

71 g

of Chlorine. How much of Chlorine will react with

12 g

of Magnesium?

HARD

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 5 - Reacting Masses, and Chemical Equations>Q>Q 1

Magnesium burning Chlorine to give Magnesium chloride,

{MgCl}_{2}

. In an experiment,

24 g

of Magnesium was found to react with reacts with

71 g

of Chlorine. How much Magnesium chloride will be formed a certain amount of Chlorine reacts with

12 g

of Magnesium?

MEDIUM

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 5 - Reacting Masses, and Chemical Equations>Q>Q 2

Methane has the formula

{CH}_{4}

. Work out the

%

of Carbon and Hydrogen in it.

(A_{r}; C = 12; H = 1)

HARD

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 5 - Reacting Masses, and Chemical Equations>Q>Q 3

In an experiment, a sample of Lead

(II)

bromide was made. It weighed

15 g

. But the sample was found to be impure. In fact, it contained only

13.5 g

of Lead

(II)

bromide. Calculate the percentage purity of the sample.

MEDIUM

Upper Secondary: IGCSE

IMPORTANT

Complete Chemistry for Cambridge IGCSE® Second Edition>Chapter 5 - Reacting Masses, and Chemical Equations>Q>Q 3

In an experiment, a sample of Lead

(II)

bromide was made. It weighed

15 g

. But the sample was found to be impure. In fact, it contained only

13.5 g

of Lead

(II)

bromide. What mass of impurity was present in the sample.

Work out the Mr for the following, and say whether it is the relative molecular mass or the relative formula mass: Butane, C4H10

Important Questions on Reacting Masses, and Chemical Equations

Learn and Prepare for any exam you want !

Work out the $M_{r}$ for the following, and say whether it is the relative molecular mass or the relative formula mass:

Butane, $C_{4} H_{10}$