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Calculate the Mass in Grams of 0.17 Mole of Hydrogen Sulphide, H2s. (Atomic Masses : H = 1 U, S = 32 U) - Science

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Short Note

Calculate the mass in grams of 0.17 mole of hydrogen sulphide, H2S. (Atomic masses : H = 1 u, S = 32 u)

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Solution

Moles of hydrogen sulphide = 0.17

Molar mass of hydrogen sulphide = (2 × 1) + (1 × 32)g = 34g

1 mole of hydrogen sulphide weighs = 34g

Therefore, mass of 0.17 moles of hydrogen sulphide = 34 × 0.17 = 5.78g

Hence, 0.17 moles of hydrogen sulphide weigh 5.78 grams.

Concept: Mole Concept
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APPEARS IN

Lakhmir Singh Class 9 Chemistry - Science Part 2
Chapter 3 Atoms and Molecules
Short Answers | Q 28 | Page 173

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