Home / Aptitude Tests / Chemistry / The mass of one mole...

The mass of one mole of \((NH_{4})_{2}CO_{3}\) is [O=...

The mass of one mole of \((NH_{4})_{2}CO_{3}\) is [O=16.0, N=14.0, C=12.0, H=1.0]

A.

66.0g

B.

76.0g

C.

80.0g

D.

96.0g

View answer & explanation

Correct answer is D

This is same as asking for the molar mass of the compound

= \((2\times 14.0)+ (8\times 1.0) + 12.0+(16.0\times 3)\)

= 28.0+8.0+12.0+48.0 = 96.0g

See all Chemistry questions & answers

See more WAEC questions & answers

Similar Questions

How many grammes of NaOH(s) would be needed to produce 100.0 cm3 of a 0.20 mol dm-3 NaOH, (aq)? [NaO...

Which of the following types of bonding does not involve the formation of new substances? ...

What is the atomic number of Erbium? ...

SO\(_3\) is not directly dissolved in water in the industrial preparation of H\(_2\)SO\(_4\) by the ...

28.8 cm3 of nitrogen at 15°C is cooled to O°C at constant pressure, the new volume of nitrogen is?...

In the reaction 2H2S(g) + SO2(g) → 2H2SO(I)+3S(s)SO2is acting as _agent...

The purity of a solid sample can best be determined by its ...

The volume of 0.25 moldm-3 solution of KOH that would yield 6.5g of of solid KOH on evaporation is (...

A substance which dissolves readily in organic solvent would ...

Which of the following gases will rekindle a brightly splint? ...

Aptitude Tests

Verbal Reasoning Questions and Answers

Quantitative Reasoning Questions and Answers

Situational Judgement Questions and Answers

Data Interpretation Questions and Answers

Puzzles Questions and Answers

Abstract Reasoning Questions and Answers

Spatial Reasoning Questions and Answers

Numerical Reasoning Questions and Answers

Nigeria General Knowledge Questions and Answers

Typing Speed and Accuracy Test

Logical Reasoning Questions and Answers

Microsoft Office Questions and Answers

Personality Test

View latest jobs in Nigeria today