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Electrochemical Cells, Galvanic Cells

4 g of H2 is ...

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4 g of H2 is present in a 500 ml bulb. The active mass of H2 will be ?

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4

H_{2}

32

O_{2}

14

N_{2}

11

{C O}_{2}

are taken in a bulb of

500

ml. Which one of these has maximum active mass?

4 g

H_{2}

32 g

O_{2}

14 g

N_{2}

11 g

{C O}_{2}

are taken in a bulb of

500 m l

. Which one of these has maximum active mass?

Q. The volume strength of a sample of

H_{2} O_{2}

is 8.96 vol. The mass of

H_{2} O_{2}

present in 250 ml of this solution is

5 m L

5 N H_{2} S O_{4}

250 m L

. What will be the normality of

H_{2} S O_{4}

in the diluted solution ?

Q. A closed bulb of capacity

200

C H_{4}, H_{2}

300

K. The ratio of partial pressures of

C H_{4}, H_{2}

and He, respectively is

2 : 3 : 5

. Calculate the ratio of their weights present in the container.

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