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Calculate the number of moles in the fol...

Calculate the number of moles in the following . (ii) 4.66 mg of silicon.

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1 mol of formic acid : `HCOOH` (Formic acid) - Molar mass `=2+12+32=46`.
46g of HCOOH contains `2xx6.023xx10^23` number of oxygen atoms.
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SURA PUBLICATION-BASIC CONCEPTS OF CHEMISTRY AND CHEMICAL CALCULATIONS-EVALUATION (II.WRITE BRIEF ANSWER TO THE FOLLOWING QUESTIONS)
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  2. Which contains the greatest number of moles of oxygen atoms (i) 1 mol ...

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  3. Calculate the number of moles in the following . (ii) 4.66 mg of silic...

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  4. Calculate the number of moles in the following . (iii) 65.6 mg of oxyg...

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  16. (i) K(2)Cr(2)O(7)+KI+H(2)SO(4)to K(2)SO(4)+Cr(2)(SO4)3+I(2)+H(2)O.

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