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The term mole first used by Ostwald in 1...

The term mole first used by Ostwald in `1896` refers for the ratio of mass of a substance in `g` and its molecular weight. `1 "mole"` of a gaseous compound occupies `22.4 "litre"` at `NTP` and contains `6.023xx10^(23)` molecules of gas.
weight of `1 "atom"` of hydrogen is:

A

`1.66xx10^(-24) "amu"`

B

`3.32xx10^(-24)g`

C

`1.66xx10^(-24)g`

D

`3.32xx10^(-24) "amu"`

Text Solution

Verified by Experts

The correct Answer is:
C
`N "atoms of" H=1g`
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Knowledge Check

  • The term mole first used by Ostwald in 1896 refers for the ratio of mass of a substance in g and its molecular weight. 1 "mole" of a gaseous compound occupies 22.4 "litre" at NTP and contains 6.023xx10^(23) molecules of gas. The maximum number of atoms present are in:

    A
    `4 g He`
    B
    `4 g O_(2)`
    C
    `4 g O_(3)`
    D
    `4 gH_(2)O_(2)`

  • The term mole first used by Ostwald in 1896 refers for the ratio of mass of a substance in g and its molecular weight. 1 "mole" of a gaseous compound occupies 22.4 "litre" at NTP and contains 6.023xx10^(23) molecules of gas. The volume of air needed to burning 12 g carbon completely at STP is:

    A
    `22.4 "litre"`
    B
    `112 "litre"`
    C
    `44.8 "litre"`
    D
    `50 "litre"`

  • The term mole first used by Ostwald in 1896 refers for the ratio of mass of a substance in g and its molecular weight. 1 "mole" of a gaseous compound occupies 22.4 "litre" at NTP and contains 6.023xx10^(23) molecules of gas. A substance contains 3.4% sulphur. If it contains two molecules of sulphur per molecule the minium molecular weight of substance will be:

    A
    `941`
    B
    `1882`
    C
    `470.5`
    D
    `1411.5`
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