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ICSE Class 10 Answered

Calculate the mass of 3.22×10^22molwcules of SiH4
Answee is 0.183
Asked by lovemaan5500 | 03 Dec, 2017, 06:58: AM
answered-by-expert Expert Answer
1 space mole space of space substance space contains space 6.022 cross times 10 to the power of 23 space molecules space 3.22 cross times 10 to the power of 22 space molecules space will space be space space space space fraction numerator 3.22 cross times 10 to the power of 22 over denominator space 6.022 cross times 10 to the power of 23 end fraction space moles 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 space space space space space space space space space space space space space space space space space equals space 0.053 space moles space space space space space 1 space mole space of space SiH subscript 4 space equals space 32.12 space straight g space therefore space space space 0.053 space moles space space equals space 0.053 space cross times space 32.12 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 1.7 space gm space space space space space space space space space space space
Answered by Varsha | 04 Dec, 2017, 11:39: AM

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