Chemical Process Calculation Questions and Answers – Mole and Molecular Weight-I

This set of Chemical Process Calculation Multiple Choice Questions & Answers (MCQs) focuses on “Mole and Molecular Weight-I”.

1. Amount of substance containing 6.022*10^23 entities is called
a) Mole
b) Molecular weight
c) Molar mass
d) None of the mentioned
View Answer

2. Two statements are given as below
I: lb mole is composed of 453.6*6.022*10²³ molecules
II: gm mole is composed of 6.022*10²³ molecules
Number of correct statements is/are
a) 0
b) 1
c) 2
d) None of the mentioned
View Answer

3. Molecular weight is the ratio of _______ and ________
a) Mass, Mole
b) Mole, Mass
c) Mole, Mole
d) Mass, Mass
View Answer

4. How many g moles of H are there in 22 g of H2SO4?
a) 0.4489
b) 0.2245
c) 0.1256
d) 0.3256
View Answer

5. How many g moles of S are there in 22 g of H2SO4?
a) 0.4489
b) 0.2245
c) 0.1256
d) 0.3256
View Answer

6. How many lb moles of O are there in 22 g of H2SO4?
a) 1.978*10^-4
b) 1.978*10^-3
c) 1.978*10^-2
d) 1.978*10^-1
View Answer

7-8. 500 lb of N2 is there in a container
7. How many pound moles of N2 does it contain?
a) 17.86
b) 35.7
c) 0.039
d) 0.078
View Answer

8. How many gram moles of N2 does it contain?
a) 8107
b) 6789
c) 7583
d) 7357
View Answer

9. 58.5 gms of NaCl contains
a) 1 gm mole of NaCl
b) 1 lb mole of NaCl
c) Both a and b
d) Neither a nor b
View Answer

10.40 gms of NaOH contains
a) 6.022*10²³ molecules
b) 1 molecule
c) 13.24*10²¹ molecules
d) 6.022*10²¹ molecules
View Answer

Sanfoundry Global Education & Learning Series – Chemical Process Calculation.
To practice all areas of Chemical Process Calculation, here is complete set of 1000+ Multiple Choice Questions and Answers.

If you find a mistake in question / option / answer, kindly take a screenshot and email to [email protected]