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Home / Doubts and Solutions/NEET-BASIC/Chemistry

What is it answer 

Asked by amitjena226 29th November 2017, 9:29 AM
Answered by Expert
Answer:
Moles space of space straight I to the power of minus space equals space Moles space of space Na equals space fraction numerator Mass space of space NaI over denominator Molar space mass space of space NaI end fraction space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space fraction numerator begin display style fraction numerator 0.5 over denominator 100 end fraction end style cross times 3 over denominator 150 end fraction space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 1 cross times 10 to the power of negative 4 space end exponent space moles space space space space No. space of space ions space equals 1 cross times 10 to the power of negative 4 space end exponent cross times 6.022 cross times 10 to the power of 23 space space space space space space space space space space space space space space space space space space space space space space space space space space equals 6.022 cross times 10 to the power of 19 space space ions space space space space space space space space space space space space space space space space space space space space space space space
 
3 Mg space space space space space plus space space space 2 NH subscript 3 space space rightwards arrow space Mg subscript 3 straight N subscript 2 space space plus space space straight H subscript 2 3 cross times 24 space space space space space space space space 2 cross times 17 space space space space space space space space 100 space straight g equals 72 space straight g space space space space space space space space space space 34 So comma space 72 space straight g space of space Mg space gives space 100 space straight g space of space Mg subscript 3 straight N subscript 2 space therefore space 48 space straight g space of space Mg space will space give space space fraction numerator 48 cross times 100 over denominator 72 end fraction space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 200 over 3 space gm
Answered by Expert 29th November 2017, 11:11 AM
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