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Same electric charge is passed through aqua solution of HCL and CuSo4. if 12 gram of H2 is liberated find the mass of copper deposited 1. 402 g 2. 360 g 3. 381 g 4. 369 g

```
one year ago

Arun
25141 Points
```							W1 = (A1 X I X t) ÷ (n1 x 96500)W1 is mass of H212 = (1 X I X t) ÷ (2 x 96500)12 x 193000 = I X t ---------------- equation 1W2 = (A X I X t) ÷ (n2 x 96500)W2 is the mass of CuW2 = (63.5 X 12 x 193000) ÷ 193000 = 762g/2 = 381
```
one year ago
Vikas TU
13786 Points
```							2 mole of electron will liberate 1 mole of H2 gas Mole of H2 liberated = 12/2 = 6 To liberate 6 mole of e we require 12 mole of e To liberate 2 mole of e we need 1 mole of cu 12 mole of e will deposit 6 mole of cu Mass of cu = 6* 63.5 = 381
```
one year ago
Shafi Shaik
15 Points
```							12 moles of H2 electron deposit 12/6=6 mole Cu.Hence, mass of copper deposited will be 6×63.5=381gram.
```
5 days ago
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