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  • Can someone explain - Some basic concepts in chemistry - JEE Main

We have a substance x. What is the molar mass of x if 2 moles of it weigh 196 g ?

  • Option 1)

    147 g

  • Option 2)

    196 g

  • Option 3)

    98 g

  • Option 4)

    49 g

 

Answers (1)

As we have learnt,

 

Number of Moles -

No of moles = given mass of substance/ molar mass of substance

-

 

  Molar mass of x = \frac{196}{2}g = 98g

 


Option 1)

147 g

Option 2)

196 g

Option 3)

98 g

Option 4)

49 g

Posted by

Vakul

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