Mole Concept and Molar Mass

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a month ago

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A
alok kumar singh

Contributor-Level 10

Kindly go through the solution

 

New answer posted

a month ago

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R
Raj Pandey

Contributor-Level 9

x      +      y    +   3z     =     xyz3

1 mole 1 mole 0.05 mole

n x = 1

n y = 1

n z = 0 . 0 5 3 = 0 . 0 1 6 7  here z is limiting reagent.


? 0 . 0 5 3
 mole z gives 1 mole xyz3

mass of xyz3 = n * molecular mass

0 . 0 5 3 * ( 1 0 + 2 0 + 3 * 3 0 ) a . m . u .  

= 0.5 * 4 = 2g

New answer posted

a month ago

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R
Raj Pandey

Contributor-Level 9

Molar mass of C7H5N3O6 = 12 * 7 + 1 * 5 + 14 * 3 + 16 * 6 = 84 + 42 + 96 = 227 g/mol

Number of moles =  6 8 1 2 2 7  = 3 mol

 number of N-atoms

= 3 * 6 . 0 2 * 1 0 2 3 * 3 = 9 * 6 . 0 2 * 1 0 2 3  

= 5 4 1 8 * 1 0 2 1  

x = 5 4 1 8  

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New answer posted

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A
alok kumar singh

Contributor-Level 10

-SO? H acts as a cation exchanger.

-NH? acts as an anion exchanger.

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