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The molar mass of a substance , each mol...

The molar mass of a substance , each molecule of which contains 9 C atoms , 13 H-atoms and `3.32xx10^(-23)` g of other component is `(N_A=6.022xx10^23)`

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The correct Answer is:
140.50 to 141.50
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What is the molecular weight of a substance, each molecule of which contains 9 carbon atoms, 13 hydrogen atoms and 2.33 xx 10^(-23) g of other component ?

Each molecular of a compound contains 5 carbon atoms, 8 hydrogen atoms and 4 xx 10^(-23) gm of other element. The molecular mass of compounds is (N_(A) = 6 xx 10^(23))

Knowledge Check

  • A compound contains 7 carbon atoms, 2 oxygen atoms and 1.0 xx 10^(-23) gmof other elements. The molecular mass of compound is : (N_(A) = 6 xx 10^(23))

    A
    122
    B
    116
    C
    148
    D
    154

  • Which of the following contain 9 xx 10^(23) oxygen atoms?

    A
    0.25 moles of glucose
    B
    0.5 moles of ethyl alcohol
    C
    1.0 mole of dimethyl ether
    D
    0.01 moles of sucrose

  • Which of the following samples contain 2.0 xx 10^(23) atoms?

    A
    `8.0 g O_(2)`
    B
    `3.0 g Be`
    C
    `4.0 g C`
    D
    `1.0 g He`

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    The specific heat of metal is 1 Jg^(-1)K^(-1) . If equivalent weight of metal is 9 , carbon atoms, 13 hydrogen atoms and 2.33xx10^(-23) g of other component?

    1 g atom of nitrogen contains 6.023 xx 10^(23) atoms of nitrogen.

    No of gram atoms in 12.044 xx 10^(23) Na atoms

    How many moles of O-atoms are in 2.7xx10^(25) molecules of CO_(2) (N_(A)=6xx10^(23))

    What name is given to the number 6.022 xx 10^(23) ?

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