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Ekbal Chohan
Asked: 2022-11-07T20:02:56+05:30 In:

The reaction of calcium with water is represented by the equation
`Ca+2H_(2)OtoCa(OH)_(2)+H_(2)`
What volume of `H_(2)`, at STP would be liberated when 8g of calcium completely reacts with water
A. `4480 cm^(3)`
B. `2240 cm^(3)`
C. `1120 cm^(3)`
D. `0.4 cm^(3)`

The reaction of calcium with water is represented by the equation
`Ca+2H_(2)OtoCa(OH)_(2)+H_(2)`
What volume of `H_(2)`, at STP would be liberated when 8g of calcium completely reacts with water
A. `4480 cm^(3)`
B. `2240 cm^(3)`
C. `1120 cm^(3)`
D. `0.4 cm^(3)`
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1 Answer

  1. Correct Answer – A
    `underset(40)(Ca)+2H_(2)OtoCa(OH)_(2)+underset(22400cm^(3))(H_(2))`
    8f of calcium will produce `= (22400xx8)/(40)`
    `=4480cm^(3)`

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