Chemistry WAEC

The mass of one mole of (NH4)2CO3 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

Correct Answer: Option D

D. 96.0g

Explanation

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

= (2×14.0)+(8×1.0)+12.0+(16.0×3)
= 28.0+8.0+12.0+48.0 = 96.0g

Sunday

Share
Published by
Sunday
Tags: Chemistry

Recent Posts

ETM 312 Theory Questions: Land Law and the Consequences of Unauthorized Land Transfers in Nigeria

300 Level Estate Management and Valuation Department exam questions and detailed answers. Download the answers…

5 months ago

ETM 312 Theory Questions: Co-Ownership Structures and Land Acquisition Methods in Nigeria

200 Level Estate Management and Valuation Department exam questions and detailed answers. Download the answers…

5 months ago

ETM 312 Theory Questions: Rights in Community Land and Fundamental Land Concepts in Nigeria

200 Level Estate Management and Valuation Department exam questions and detailed answers. Download the answers…

5 months ago

ETM 312 Theory Questions: Customary Land Control and the Origins of Nigeria’s Land Use Act

200 Level Estate Management and Valuation Department exam questions and detailed answers. Download the answers…

5 months ago

ETM 312 Theory Questions: Land Ownership Principles and Transaction Laws in Nigeria

200 Level Estate Management and Valuation Department exam questions and detailed answers. Download the answers…

5 months ago

ETM 226 Theory Questions: Trespass: Types and Defenses in Property Law

200 Level Estate Management and Valuation Department exam questions and detailed answers. Download the answers…

5 months ago