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The weight of P4O10 which contains 15 g of phosphorous is (1) 73.33 g (2) 34.35 g (3) 25.14 g (4) 55 g

The weight of P4O10 which contains 15 g of phosphorous is (1) 73.33 g (2) 34.35 g (3) 25.14 g (4) 55 g

Grade:12th pass

1 Answers

Vikash Kumar
36 Points
8 years ago

atomic mass of P =31

molecular weight of P4O10 = 284

apply unitary method

124 g of P is present in 284 g of P4O10 

1 g of  P is present in 284/124 g of P4O10 

15 g of  P is present in (284/124)*15=34.35 g(option 2) of P4O10 

Thanks & Regards
Vikash Kumar, 
askIITians Faculty
B.Tech, IIT Delhi

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