Home / Aptitude Tests / Chemistry / Calculate the number...
Calculate the number of moles of HCl present in 20cm3

Calculate the number of moles of HCl present in 20cm3 of a 0.75M solution of the acid

A.

0.015 mole

B.

0.038 mole

C.

3.800 moles

D.

1.500 moles

View answer & explanation

Correct answer is A

Number of moles = (conc. in mol/dm3*volume in cm3)/1000
(0.75 * 20)/100 = 0.015 mole

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

In the redox reaction represented by the following equation: Cu2+aq + Zn(s) → Cu(s) + Zn2+...

In the diagram above, gas X is ...

One of the following techniques can be used to show that chlorophyll pigment is a mixture of chemica...

How many mole of AgNO 3 are there in 500cm3 of 0.01MAgNO3 solution?...

The product of the reaction between C 2H5OH and concentrated H2SO 4 at 170oC is...

The octane number of zero is assigned to ...

Producer gas is a mixture of ...

Which transition metal is known for its multiple colorful oxidation states and compounds used in pig...

Which of the following equilibria is unaffected by a pressure change? ...

The components of universal indicator solution can best be separated by ...

Aptitude Tests

Data Interpretation Questions and Answers

Abstract Reasoning Questions and Answers

Numerical Reasoning Questions and Answers

Logical Reasoning Questions and Answers

Spatial Reasoning Questions and Answers

Typing Speed and Accuracy Test

Puzzles Questions and Answers

Personality Test

Verbal Reasoning Questions and Answers

Situational Judgement Questions and Answers

Nigeria General Knowledge Questions and Answers

Quantitative Reasoning Questions and Answers

Microsoft Office Questions and Answers

See all →