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Number of positive ions in 1.45 mole of ...

Number of positive ions in `1.45` mole of `K_(2)SO_(4)` are:

A

`1.75 xx 10^24`

B

`8.73 xx 10^(23)`

C

`8.73 xx 10^(24)`

D

`1.75 xx 10^(23)`

Text Solution

Verified by Experts

The correct Answer is:
A
`1 "mole" K_(2)SO_(4)"has" 2N K^(+)"ions"`.
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P BAHADUR-MOLE AND EQUIVALENT CONCEPT-Exercise (3A) Objective problems:
  1. 16g of SO(x) occupies 5.6 litre at STP. Assuming ideal gas nature, the...

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  2. The radius of a water molecule having density 1.0g mL^(-1) is :

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  3. Number of positive ions in 1.45 mole of K(2)SO(4) are:

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  4. Equal moles of H(2)O and NaCl are present in a solution. The molality ...

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  5. The weight of 1 xx 10^(22) molecules of CuSO(4). 5H(2)O is

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  6. Weight of one atom an element is 6.44 xx 10^(-23) g. Calculate g atom ...

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  7. A compound contains 10^(-2)% of phosphorus. If atomic mass of phosphor...

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  8. Total number of electrons present in 11.2 litre of NH(3) at STP are:

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  9. Al(2)(SO(4))(3).XH(2)O has 8.1% aluminium by mass. The value of X is:

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  10. One litre of N(2) and 7//8 litre of O(2) under identical conditions of...

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  11. Total number of atoms present in 1.0 cm^(3) of solid urea (density 0.3...

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  12. The density of liquid (mol.wt. = 70) is 1.2 g mL^(-1). If 2 mL of liqu...

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  13. The atomic weight of a triatomic gas is a. The correct formula for the...

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  14. A solution required [OH^(-)]=2M. If degree of dissociation of Mg(OH)(2...

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  15. In a compound A(x)B(y):

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  16. 20 g of an acid furnishes 0.5 "mole of" H(3)O^(+) ions in its aqueous ...

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  17. Which is not a molecular formula?

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  18. 1.0 g of pure calcium carbonate was found to require 50 mL of dilute H...

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  19. 100 mL each of 0.5 N NaOH, N//5 HCl and N//10H(2)SO(4) are mixed toget...

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  20. Vapour density of a volatile substance is 4(CH(4)=1). Its molecular we...

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