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Some Basic Concepts of Chemistry

Calculation of Equivalent weight

1.38 {~g} of a hydrated Cu(II) salt of an acid yields on stron

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Solving time: 2 mins

$1.38 g$ of a hydrated Cu(II) salt of an acid yields on strong heating $0.457 g$ of CuO. The salt contains 3 molecules of water of hydration per atom of Copper. Calculate the equivalent weight of the acid. Atomic weight of $Cu = 63.6$

62.38

68.32

38.62

36.28

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IIT-JEE Super Course in Chemistry - Physical Chemistry (Pearson)

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Eleanor Discussed

1.38 g

of a hydrated Cu(II) salt of an acid yields on strong heating

0.457 g

of CuO. The salt contains 3 molecules of water of hydration per atom of Copper. Calculate the equivalent weight of the acid. Atomic weight of

Cu = 63.6

6 mins ago

Discuss this question LIVE

6 mins ago

Text solutionVerified

Molar mass of the salt = (\frac{1.38}{0.457} \times 79.6) = 240.37 g mol^{- 1}

Molar mass of anhydrous salt

= 240.37 - 54 = 186.37

Equivalent weight

= 93.18 g

∴ Equivalent weight of acid = 93.18 - 31.8 + 1 = 62.38

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Question Text	$1.38 g$ of a hydrated Cu(II) salt of an acid yields on strong heating $0.457 g$ of CuO. The salt contains 3 molecules of water of hydration per atom of Copper. Calculate the equivalent weight of the acid. Atomic weight of $Cu = 63.6$
Topic	Some Basic Concepts of Chemistry
Subject	Chemistry
Class	Class 11
Answer Type	Text solution:1
Upvotes	150

$1.38 g$ of a hydrated Cu(II) salt of an acid yields on strong heating $0.457 g$ of CuO. The salt contains 3 molecules of water of hydration per atom of Copper. Calculate the equivalent weight of the acid. Atomic weight of $Cu = 63.6$

Text solutionVerified

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1.38 g of a hydrated Cu(II) salt of an acid yields on strong heating 0.457 g of CuO. The salt contains 3 molecules of water of hydration per atom of Copper. Calculate the equivalent weight of the acid. Atomic weight of Cu=63.6

Text solutionVerified

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$1.38 g$ of a hydrated Cu(II) salt of an acid yields on strong heating $0.457 g$ of CuO. The salt contains 3 molecules of water of hydration per atom of Copper. Calculate the equivalent weight of the acid. Atomic weight of $Cu = 63.6$