Home
Class 11
CHEMISTRY
How many g-atom are in 84 g of carbon?...

How many `g`-atom are in `84 g` of carbon?

Text Solution

Verified by Experts

The correct Answer is:
7
`because g-"atom"=("wt".)/("at.wt".)=(84)/(12)=7`
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MOLE AND EQUIVALENT CONCEPT

    P BAHADUR|Exercise Exercise 7 Comprehension based objective problems|31 Videos

  • MOLE AND EQUIVALENT CONCEPT

    P BAHADUR|Exercise Exercise 8 Statements: Explanation type problems|11 Videos

  • MOLE AND EQUIVALENT CONCEPT

    P BAHADUR|Exercise Exercise (4) Objective problems|20 Videos

  • IONIC EQUILIBRIUM

    P BAHADUR|Exercise Exercise|85 Videos

  • RADIO ACTIVITY

    P BAHADUR|Exercise Exercies 9|99 Videos

Similar Questions

Explore conceptually related problems

How many moles are in 96 g O_(2)?

Mass of one atom of the element A is 3.9854 xx 10^(-23)g . How many atoms are contained in 1g of the element A ?

Knowledge Check

  • How many H-atoms are present in 0.046 g of ethanol

    A
    `6 xx 10^(20)`
    B
    `1.2 xx 10^(21)`
    C
    `3 xx 10^(21)`
    D
    `3.6 xx 10^(21)`

  • How many H- atoms are present in 0.046 g of ethanol ?

    A
    `6 xx 10^(20)`
    B
    `1.2 xx 10^(21)`
    C
    `3 xx 10^(21)`
    D
    `3.6xx 10^(21)`

  • x g of element P (atomic weight 15) contains y atoms. How many atoms are contained in 2x g of element Q (atomic weight 30)?

    A
    2y
    B
    4y
    C
    `1/2` y
    D
    y

    • Similar Questions

    Explore conceptually related problems

    (a) How many atoms are there in exactly 12g of carbon-12 element ? (C = 12 u) (b) What name is given to this number ? (c ) What name is given to the amount of substance containing this number of atoms ?

    The atomic masses of two elements "P" and "Q" are "20" and "40" respectively. If "a" ' "g" of "P" contains "'b" ' atoms, how many atoms are present in "'2a" 'g of Q?

    How many g atoms are there in one atoms?

    How many carbon atoms are in S, T and U -

    The atomic weights of two alements A and B are 40 and 80 reapectively. If x g of A contains y atoms, how many atoms are present in 2x g of B?

    Home
    Profile