31) Calculate the number of moles in 17 gram of H202
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Step-by-step explanation:
Atomic mass of H = 1.
Atomic mass of O = 16.
Molecular mass of H2O2= (2 × 1) + (2 × 16) = 34 gm.
Since 34 gm of hydrogen peroxide (H2O2) = 1 mole.
Hence 17 gm of H2O2 = 1/ 34 ×17 = 1/ 2 = 0.5moles.
Answered by
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Answer:
Answer
Atomic mass of H = 1.
Atomic mass of O = 16.
Molecular mass of H2O2= (2 × 1) + (2 × 16) = 34 gm.
Since 34 gm of hydrogen peroxide (H2O2) = 1 mole.
Hence 17 gm of H2O2 = 1/ 34 ×17 = 1/ 2 = 0.5moles.
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