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If the atomic mass of sodium is 23, the ...

If the atomic mass of sodium is `23`, the number of moles in `46gm` of sodium is:

A

1

B

2

C

2.3

D

4.6

Text Solution

Verified by Experts

The correct Answer is:
B
No. of moles `=("Given mass")/("Molar mass") = 46/23 =2`
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Knowledge Check

  • The atomic mass of sodium is 23 . The number of moles in 46 g of sodium is

    A
    1
    B
    2
    C
    `2.3`
    D
    `4.6`

  • Statement-1 : Atomic mass of sodium is 23u Statement-2 : An atom of sodium is 23 times heavier than atom of C-12 isotope

    A
    Statement 1 is true, statement 2 is also true , statement 2 is the correct explanation of statement 1.
    B
    Statement 1 is true, statement 2 is also true , statement 2 is not the correct explanation of statement 2
    C
    Statement 1 is true, statement 2 is false
    D
    Statement 1 is fale, statement 2 is true

  • Sodium chloride contains 60.68% chlorine by mass. If 7.1 g chlorine is made to react with 5.2 g of sodium, the number of moles of sodium which reacted with Cl_(2) is

    A
    `0.2`
    B
    `0.1`
    C
    `0.21`
    D
    `0.12`

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