Q. 400 g of CaSO₄ is dissolved with 500 g of H₂O, if 226 g of CaSO₄.5H₂O crystallizes out, then what is the percentage of CaSO₄ in the remaining solution?

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Q. How much nitrogen must be added to a 20% nitrogen solution to obtain 100 Kg of 40% nitrogen solution?

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Q. A reactor is supplied with 6 moles of CO and 3 moles of O₂ and produced 4 moles of CO₂, what is the extent of reaction?

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Q. A reactor is supplied with 6 moles of N₂ and 9 moles of H₂, if 3 moles of NH₃ is produced, how many moles of H₂ are left at the end?

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Q. A reactor is supplied with 10 moles of CH₄ and 10 moles of O₂, if the extent of reaction is 3, what are the moles of CO₂ produced?

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Q. A reactor is supplied with 10 moles of O₂ and 10 moles of H₂, if the extent of reaction is 5, how many moles of water is produced?

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Q. A reactor is supplied with 5 moles of KNO₃ and some H₂SO₄, if the extent of reaction is 2, how many moles of H₂SO₄ were supplied?

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Q. A reactor is supplied with a 100 mole feed of composition 46% C₃H₇O₄, 44% O₂ and 10% N₂, if 50% of the limiting reagent is converted into product, what is the extent of reaction?

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Q. A reactor is supplied with a feed of composition 46% C₃H₇O₄, 44% O₂ and 10% N₂, if 50% of the limiting reagent is converted into product, what is the percentage of O₂ in the product?

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Q. A reactor is supplied with a feed of composition 46% C₃H₇O₄, 44% O₂ and 10% N₂, if 50% of the limiting reagent is converted into product, what is the percentage of N₂ in the product?

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Q. A reactor is supplied with a feed of composition 46% C₃H₇O₄, 44% O₂ and 10% N₂, if 50% of the limiting reagent is converted into product, what is the percentage of C₃H₇O₄ in the product?

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Q. A reactor is supplied with a feed of composition 46% C₃H₇O₄, 44% O₂ and 10% N₂, if 50% of the limiting reagent is converted into product, what is the percentage of H₂O in the product?

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Q. A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO₂, 25% N₂ and stream-2 containing pure H₂S, if the product has 1200 grams of S, and the ratio of H₂S to H₂O is 5 and the ratio of SO₂ to H₂S is 2, what is the rate of streams?

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Q. A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO₂, 25% N₂ and stream-2 containing pure H₂S, if the product has 1200 grams of S, and the ratio of H₂S to H₂O is 5 and the ratio of SO₂ to H₂S is 2, what fraction of limiting reagent is converted into product?

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Q. A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO₂, 25% N₂ and stream-2 containing pure H₂S, if the product has 1200 grams of S, and the ratio of H₂S to H₂O is 5 and the ratio of SO₂ to H₂S is 2, how many moles of water are produced?

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Q. A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO₂, 25% N₂ and stream-2 containing pure H₂S, if the product has 1200 grams of S, and the ratio of H₂S to H₂O is 5 and the ratio of SO₂ to H₂S is 2, what fraction of excess reagent is converted into product?

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Q. A reactor is supplied with two steams with equal flow rates, stream-1 containing 75% SO₂, 25% N₂ and stream-2 containing pure H₂S, if the product has 1200 grams of S, and the ratio of H₂S to H₂O is 5 and the ratio of SO₂ to H₂S is 2, what is percentage of Sulfur in the product?

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Q. A reactor is supplied with 5 moles each of CH₃OH and O₂, and the following reactions occur, CH₃OH + 1/2O₂ -> CH₂O + H₂O and then CH₂O + 1/2O₂ -> CO + H₂O, the conversion of methanol is 80% in first reaction, and conversion of CH₂O is 50% in second reaction. How many moles of CO are produced?

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Q. A reactor is supplied with 5 moles each of CH₃OH and O₂, and the following reactions occur, CH₃OH + 1/2O₂ -> CH₂O + H₂O and then CH₂O + 1/2O₂ -> CO + H₂O, the conversion of methanol is 80% in first reaction, and conversion of CH₂O is 50% in second reaction. How many moles of H₂O are produced?

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Q. A reactor is supplied with 5 moles each of CH₃OH and O₂, and the following reactions occur, CH₃OH + 1/2O₂ -> CH₂O + H₂O and then CH₂O + 1/2O₂ -> CO + H₂O, the conversion of methanol is 80% in first reaction, and conversion of CH₂O is 50% in second reaction. How many moles of CH₂O came out of the reactor?

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