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Avogadro's lasw states that under condit...

Avogadro's lasw states that under conditions of constant temp. and pressure equal volume of gases contain equal no. of particles. Experimental investigation shows that at one atmosphere pressure and a temperature of 273 k, one mole of any gas occupies a volume of which is very close to 22.4 lit. Therefore, the number of moles in any gas sample canbe found by comparing its volume at STP with 22.4 lit.
If avagadro's number is `6xx10^(23)` molecules then the mass of one atom of oxygen would be

A

`16/3.02 ` amu

B

`6xx10^(-23)` amu

C

16 amu

D

`16xx6.02` amu

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • Avogadro's lasw states that under conditions of constant temp. and pressure equal volume of gases contain equal no. of particles. Experimental investigation shows that at one atmosphere pressure and a temperature of 273 k, one mole of any gas occupies a volume of which is very close to 22.4 lit. Therefore, the number of moles in any gas sample canbe found by comparing its volume at STP with 22.4 lit. At STP 40 lit of CO_(2) contains

    A
    5.6 mole
    B
    1.786 mole
    C
    7.635 mole
    D
    1.934 mole

  • Avogadro's lasw states that under conditions of constant temp. and pressure equal volume of gases contain equal no. of particles. Experimental investigation shows that at one atmosphere pressure and a temperature of 273 k, one mole of any gas occupies a volume of which is very close to 22.4 lit. Therefore, the number of moles in any gas sample canbe found by comparing its volume at STP with 22.4 lit. Number of gram atoms of oxygen present in 0.3 gram mole of H_(2)C_(2)O_(4).2H_(2)O is

    A
    0.3
    B
    0.6
    C
    1.2
    D
    1.8

  • 7.5 gr of a gas occupies a volume of 5.6 lit at NTP. The gas is

    A
    `CO_2`
    B
    `CH_4`
    C
    `NO`
    D
    `SO_2`

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