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Calculate the molar mass of the followin...

Calculate the molar mass of the following compounds.
(iii) Boric acid `[H_3BO_3]`

Text Solution

Verified by Experts

(iii) Boric acid `[H_3BO_3]` :
`{:(H:3xx1.01=3.03),(B:1xx10" "=10),(O:3xx16" "=underline48.00),(" "underline61.03"g mol"^(-1)):}`
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SURA PUBLICATION-BASIC CONCEPTS OF CHEMISTRY AND CHEMICAL CALCULATIONS-EVALUATION (II.WRITE BRIEF ANSWER TO THE FOLLOWING QUESTIONS)
  1. Calculate the molar mass of the following compounds. (i) Urea [CO(NH...

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  2. Calculate the molar mass of the following compounds. (ii) Acetone [C...

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  3. Calculate the molar mass of the following compounds. (iii) Boric aci...

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  4. Calculate the molar mass of the following compounds. (iv) Sulphuric ...

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  5. The density of carbon dioxide is equal to 1.965 kg m^(-3) at 273 K and...

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  6. Which contains the greatest number of moles of oxygen atoms (i) 1 mol ...

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

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

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  9. Calculate the average atomic mass of naturally occurring magnesium usi...

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  10. In a traction x+y + z(2)to xyz(2), Identity the limiting reagent If ti...

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  11. Mass of one atom of an element is 6.645xx10^(-23)g. How many moles of ...

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  12. (a) Define atomic mass unit. (b) Distinguish between molecular mass ...

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  13. What is the empirical formula of the following ? (i) Fructose (C(6)...

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  14. Equivalent Mass The eqivalent mass of a substance is defined as the ...

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  15. Equivalent Mass The eqivalent mass of a substance is defined as the ...

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  16. How many moles of ethane is equaired to produce 44 g of CO(2(g)) after...

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  17. Hydrogen peroxide is an oxidising agent. It oxidises ferrous ion to fe...

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  18. Calculate the empirical and molecular formula of a compound containing...

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  19. A compound on analaysis gave Na =14.3% S=9.97% H=6.22% and O=69.5% cal...

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  20. (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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