Home / Aptitude Tests / Chemistry / Consider the followi...
Consider the following reaction equation: 2Al(OH)\(_3\) + 3H...

Consider the following reaction equation: 2Al(OH)\(_3\) + 3H\(_2\)SO\(_4\) →Al\(_2\)(SO4)\(_3\)(aq)+6H\(_2\)O. How many moles of tetraoxosulphate(vi)acid is needed to produce 0.5mol of aluminium tetraoxosulphate(vi)?

A.

0.5

B.

1.0

C.

1.5

D.

3.0

View answer & explanation

Correct answer is C

Where 3mols of H2So4 = 1 mol of (Al2SO4)3
y mols of H2SO4 = 0.5 mol of (Al2SO4)3
Then cross multiply to have:
y = \(\frac{3×0.5}{1}\)
y = 1.5 moles

See all Chemistry questions & answers
See more WAEC questions & answers
Similar Questions

The air around a petroleum refinery is most likely to contain? ...

Which of the following is correct about both compounds show below? CH3CH 2CH2OH;CH 3 CH 2CH(OH)CH3...

In titration involving sodium hydroxide and dilute hydrochloric acid, where would you place the base...

Reduction is the process of ...

Burning magnesium ribbon in air removes which of the following (i) oxygen (ii) nitrogen (iii) argon...

X is a substance which liberates CO\(_2\) on treatment with concentrated H\(_2\)SO\(_4\). A warm sol...

Which of the following halogens is liquid at room temperature? ...

A factor that is considered most important when siting a chemical industry is? ...

What is the chemical symbol for Ruthenium? ...

An atom of an element X gains two electrons. The symbol of the ion formed is ...

Aptitude Tests

Numerical Reasoning Questions and Answers

Spatial Reasoning Questions and Answers

Verbal Reasoning Questions and Answers

Situational Judgement Questions and Answers

Abstract Reasoning Questions and Answers

Puzzles Questions and Answers

Logical Reasoning Questions and Answers

Microsoft Office Questions and Answers

Quantitative Reasoning Questions and Answers

Data Interpretation Questions and Answers

Typing Speed and Accuracy Test

Personality Test

Nigeria General Knowledge Questions and Answers

See all →


View latest jobs in Nigeria today