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How many moles of Al(2)(SO(4))(3) would ...

How many moles of `Al_(2)(SO_(4))_(3)` would be in 50g of the substance ?

A

`0.083mol`

B

`0.952mol`

C

`0.481mol`

D

`0.140mol`

Text Solution

Verified by Experts

The correct Answer is:
D
`"Moles"=("mass")/("molecular weight")`
`:."Moles of "Al_(2)(SO_(4))_(3)=(50)/(342)=0.14mol`
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-SOLUTIONS AND COLLIGATIVE PROPERTIES -Exercise 1 (Types of Solutions and Concentration of Solutions)
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  10. An aqueous solution of methanol in water has vapour pressure

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  12. A solution of acetone in ethnol

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  15. On a humid day in summer, the mole fraction of gaseous H(2)O (water va...

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  16. The vapour pressure of two liquids 'P' and 'Q' are 80 and 60 torr resp...

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  17. At 300 K the vapour pressure of an ideal solution containing 1 mole of...

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  18. A mixture of ethyl alcohol and propyl alcohol has a vapour pressure of...

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  19. A solution containing components A and B follows Raoult's law, when

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