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Calcualte the mass (in grams) of each of...

Calcualte the mass (in grams) of each of the following species.
a. Na atom b. S atom c. `CH_3Cl` molecule d. `Na_2 SO_3` formula unit

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NCERT GUJARATI-CHEMICAL CALCULATION -Problems of Practice
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  10. Calculate the following Number of molecules in 43 g NH3

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  13. A substance on analysis, gave the following percentage composition, Na...

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  14. What is the simplest formula of the compound which has the following p...

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  15. A compound on analysis gave the following percentage composition: C - ...

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  16. An organic compound was found to have contained carbon = 40.65%, hydro...

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  17. A compound contains 32% carbon, 4% hydrogen and rest oxygen. Its vapou...

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  18. An acid of molecular mass 104 contains 34.6% carbon, 3.85% hydrogen an...

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  19. What is the simplest formula of the compound which has the following p...

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  20. Calculate the oxidation number of underlined elements in the following...

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