Chemical Process Calculation Questions and Answers – Stoichiometry – VII

This set of Chemical Process Calculation online quiz focuses on “Stoichiometry- VII”.

1-10. For the given inorganic chemical reaction
HCl (aq) + NaOH (aq) → NaCl (aq) + H2O (l)
Molecular weights of the species HCl, NaOH, NaCl and H2O are 36.5, 40, 58.5 and 18 gms respectively.
1. For producing 1 mole of NaCl , how many moles of NaOH are required? (Consider HCl in excess)
a) 1
b) 4
c) 5
d) 6.5
View Answer

Answer: a
Explanation: 1 mole of NaCl is equivalent to 1 mole of NaOH.

2. For producing 1 mole of NaCl , how many moles of HCl are required? (Consider NaOH in excess)
a) 1
b) 4
c) 5
d) 6.5
View Answer

Answer: a
Explanation: 1 mole of NaCl is equivalent to 1 mole of HCl.

3. For producing 1 mole of H2O, how many moles of NaOH are required? (Consider HCl in excess)
a) 1
b) 4
c) 5
d) 6.5
View Answer

Answer: a
Explanation: 1 mole of H2O is equivalent to 1 mole of NaOH.
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4. For producing 1 mole of H2O, how many moles of HCl are required? (Consider NaOH in excess)
a) 1
b) 4
c) 5
d) 6.5
View Answer

Answer: a
Explanation: 1 mole of HCl is equivalent to 1 mole of H2O.

5. If HCl is present in excess and the amount of NaOH is doubled, number of moles of NaCl will be ____________
a) Doubled
b) Half
c) Four times
d) None of the mentioned
View Answer

Answer: a
Explanation: 1 mole of NaOH is equivalent to 1 mole of NaCl.

6. If HCl is present in excess and the amount of NaOH is doubled, number of moles of H2O will be ____________
a) Doubled
b) Half
c) Four times
d) None of the mentioned
View Answer

Answer: a
Explanation: 1 mole of HCl is equivalent to 1 mole of NaOH.

7. How many moles of NaCl can be produced with 73 gms of HCl? (Consider NaOH in excess)
a) 1
b) 2
c) 3
d) None of the mentioned
View Answer

Answer: b
Explanation: 1 mole of NaCl is equivalent to 36.5 gms of HCl.
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8. How many moles of H2O can be produced with 73 gms of HCl? (Consider NaOH in excess)
a) 1
b) 2
c) 3
d) None of the mentioned
View Answer

Answer: b
Explanation: 1 mole of H2O is equivalent to 36.5 gms of HCl.

9. How many gms of NaCl can be produced with 40 gms of NaOH? (Consider HCl in excess)
a) 50.8
b) 58.5
c) 60.2
d) None of the mentioned
View Answer

Answer: b
Explanation: 58.5 gms of NaCl is equivalent to 40 gms of NaOH.
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10. How many gms of H2O can be produced with 40 gms of NaOH? (Consider HCl in excess)
a) 18
b) 36
c) 54
d) None of the mentioned
View Answer

Answer: a
Explanation: 18 gms of H2O is equivalent to 40 gms of NaOH.

Sanfoundry Global Education & Learning Series – Chemical Process Calculation.
To practice all areas of Chemical Process Calculation for online quizzes, 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]

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Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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