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Calculate the mass of 2.5 g atom of oxyg...

Calculate the mass of 2.5 g atom of oxygen.

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To calculate the mass of 2.5 gram atoms of oxygen, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Concept of Gram Atom**: - A gram atom (or mole) is the amount of a substance that contains as many entities (atoms, molecules, etc.) as there are in 12 grams of carbon-12. 2. **Identify the Molar Mass of Oxygen**: ...
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Knowledge Check

  • Calculate the mass in gm of 2g atom of Mg-

    A
    12 gm
    B
    24 gm
    C
    6 gm
    D
    48 gm

  • Mass of one atom of oxygen is

    A
    `(16)/(6.023 xx 10^(23))`g
    B
    `(32)/(6.023 xx10^(23))g`
    C
    `1/(6.023 xx 10^(23))`g
    D
    8 u

  • Calculate the number of atoms of oxygen present in 176g of CO_(2)

    A
    `2.408 xx 10^(26)`
    B
    `4.816 xx 10^(23)`
    C
    `1.204 xx 10^(22)`
    D
    `4.816 xx 10^(24)`

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    Calculate the mass of (a) 1.6 gram atoms of oxygen C (b) 5.6 gram atoms of sulphur c) 2.4 gram atoms of iodine. (Atomic masses : O = 16, S = 32,I = 127)

    Calculate the mass in g of (a) 2 g -atom of Mg (b) 3N atoms of Mg .

    Calculate (a) Mass of 2.5 gram atoms of magnesium, (b) Gram atoms in 1.4 grams of nitrogen (Atomic mass : Mg = 24,N=14 )

    Calculate the mass of : (i) 1.2 gram atom of oxygen (ii) 5.2 gram atom of iodine (iii) 5.6 gram atom of chlorine.

    Calculate the number of atoms of oxygen present in 88 g of CO_(2) . What would be the weight of CO having the same number of oxygen atoms ?

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