Chemical Process Calculation Questions and Answers – Stoichiometry-III

This set of Chemical Process Calculation Multiple Choice Questions & Answers (MCQs) focuses on “Stoichiometry-III”.

1-5. For the given unbalanced reaction CaSO4 + NaCl → CaCl2 + Na2SO4
1. How many CaSO4 in kg is required for producing 1 mole of Na2SO4? Assume NaCl in excess.
a) 136 kg
b) 156 kg
c) 176 kg
d) 196 kg
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2. How many kg of Na2SO4 will be produced using 80 kg of NaCl? Assume CaSO4 in excess.
a) 122 kg
b) 142 kg
c) 162 kg
d) 182 kg
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3. How many moles of CaCl2 will be produced using 300 kg of CaSO4? Assume NaCl in excess.
a) 2.2 kg
b) 4.2 kg
c) 6.2 kg
d) 8.2 kg
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4. How many pounds of NaCl required producing 2.5 pound moles of Na2SO4? Assume CaSO4 in excess.
a) 200
b) 400
c) 90800
d) 181600
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5. 1/A pound moles of CaSO4 are used to produce 222 kg of CaCl2. What is the value of A? Assume NaCl in excess.
a) 127
b) 227
c) 327
d) 427
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6. When 32gms of CH4 is burned with excess oxygen, how many grams of CO2 are produced?
a) 44
b) 88
c) 132
d) 176
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7. How many grams of C2H6 are required to produce 88 grams of CO2 when it is burned in the excess of oxygen?
a) 15
b) 30
c) 45
d) 60
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8-10. Nitric acid formation reaction is given as below
3NO2 + H2O → 2HNO3 + NO
8. The given reaction is
a) Balanced
b) Unbalanced
c) Partially balanced
d) None of the mentioned
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9. For producing 4 gram moles of HNO3, how many grams of NO2 are required?
a) 274
b) 275
c) 276
d) 277
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10. If the NO2 in the feed is 400 gms, How many moles HNO3 will be in the product?
a) 2.797
b) 3.797
c) 4.797
d) 5.797
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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.