how many gram in 99% pure 4.94 mole calcium nitrate tetrahydrate Ca(NO3)2.4H2O

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how many gram in 99% pure 4.94 mole calcium nitrate tetrahydrate Ca(NO3)2.4H2O

Asked by theraianurag1 | 04 Jun, 2019, 01:00: PM

Expert Answer

Molecular weight of Ca(NO₃)₂.4H₂O = 40+(14+48)2+72=236 u

Number space of space moles equals fraction numerator weight space in space gram over denominator molecular space weight end fraction weight space in space gram equals 4.94 cross times 236 space space space space space space space space space space space space space space space space space space space space space space equals 1165.84 space straight g But space it space is space not space 99 percent sign space pure So space 1165.84 cross times 99 over 100 space space space space equals space 1154.18 space straight g

Answered by Ravi | 04 Jun, 2019, 04:49: PM

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