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4.0 g of caustic soda (mol mass 40) cont...

4.0 g of caustic soda (mol mass 40) contains same number of sodium ions as are present in-

A

10.6 g of `Na_(2)CO_(3)` (mol. Mass 106)

B

58.5 g of NaCl (Formula mass 58.5)

C

7.1g of `Na_(2)SO_(4)`
(Formula mass 142)

D

1mol of `NaNO_(3)` (mol. Mass 85)

Text Solution

Verified by Experts

The correct Answer is:
C
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4.0 g of caustic soda (NaOH) contains same number of sodium ions as are present in :

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Knowledge Check

  • 40 g of caustic soda contain :

    A
    `6.02 xx 10^(23)` atoms of H
    B
    22.4 litres of `N_(2)`
    C
    `6.02 xx 10^(24)` molecules of `O_(2)`
    D
    4 g of Na

  • The density of water and ethanol at room temperature is 1.0 g/mL and 0.789 g/mL respectively. What volume of ethanol contains the same number of molecules as are present in 100 mL of water?

    A
    323.9 mL
    B
    3.23 mL
    C
    30.8 mL
    D
    308.7 mL

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