Home / Aptitude Tests / Chemistry / The solubility in mo...
The solubility in moles per dm3 of 20g of CuSO

The solubility in moles per dm3 of 20g of CuSO4 dissolve in 100 of water at 180°C is?

(Cu = 63.5, S = 32, O = 16)

A.

0.13

B.

0.25

C.

1.25

D.

2.00

View answer & explanation

Correct answer is C

Solubility in moles per dm3

No of moles = (20)/(159.5) χ 0.125 moles

in 100 g of moles = (0.125)/(100) χ 1000 = 1.25 moles

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

Which of the following pH values is likely to be that of a slightly alkaline solution? ...

A gas exerts pressure on its container because ...

The pollution from petroleum spillage in rivers and lakes can best be dispersed by ...

Cr2O72-(aq) + 14H+(aq) + 6l-(aq) → 2Cr3+(aq) + 3l(g) + 7H2O(I). The change in the oxidation numbe...

Na2S2O3(aq) + 2HCl(aq) → 2NaCl(aq) + H2O(l) Which of the following would introduce the greatest i...

What is the chemical symbol for Beryllium? ...

1.00g of mixture of calcium carbonate and calcium oxide liberated 0.33g of carbon dioxide on strong ...

USE THE DIAGRAM ABOVE TO ANSWER THIS QUESTION. Which of the following represents a carboxylic acid?...

A sample of orange juice is found to have a PH of 3.80. What is the concentration of the hydroxide i...

Two elements X and Y with electronic configurations 2,8,2 and 2,8,7 respectively, are likely to comb...

Aptitude Tests

Abstract Reasoning Questions and Answers

Situational Judgement Questions and Answers

Personality Test

Verbal Reasoning Questions and Answers

Puzzles Questions and Answers

Spatial Reasoning Questions and Answers

Typing Speed and Accuracy Test

Numerical Reasoning Questions and Answers

Data Interpretation Questions and Answers

Nigeria General Knowledge Questions and Answers

Logical Reasoning Questions and Answers

Quantitative Reasoning Questions and Answers

Microsoft Office Questions and Answers

See all →