Test Index

WAEC Chemistry 2021 Paper

© africaexams.com

Question : 30

Total: 50

At 25∘C evaporation of a 100cm3 solution of K2CO3 to dryness gave 14 g of the salt. What is the solubility of K2CO3 at 25∘C ?
[K2CO3=138]

0.01‌mol‌dm−3
0.101‌mol‌dm−3
‌‌1.01‌mol‌dn−3
10.0‌mol‌dm−3

Go to Question:

Prev Question

Next Question