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Calculate the molar mass of the followin...

Calculate the molar mass of the following substances : Ethyne`C_2H_2`

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Molar mass of `C_(2)H_(2)=2xx12+2xx1=26u`
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SWAN PUBLICATION-ATOMS AND MOLECULES-EXERCISES
  1. Write the chemical formula of the following :Calcium oxide

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  2. Write the chemical formula of the following :Copper nitrate

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  3. Write the chemical formula of the following :Aluminium chloride

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  4. Write the chemical formula of the following :Calcium carbonate

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  5. Give the names of the elements present in the following compounds (a...

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  6. Calculate the molar mass of the following substances : EthyneC2H2

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  7. Calculate the molar mass of the following substances :Sulphur moleule,...

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  8. Calculate the molar mass of the following substances :Phosphorus molec...

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  9. Calculate the molar mass of the following substances :Hydrochloric aci...

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  10. Calculate the molar mass of the following substances : Nitiric acid,HN...

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  11. What is the mass of : 1 mole of nitrogen atoms ?

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  12. What is the mass of :) 4 moles of aluminium atoms (Atomic mass of alum...

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  13. What is the mass of : 10 moles of sodium sulphite (Na2SO3)?

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  14. Convert into moles : 12g of oxygen gas

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  15. Convert into moles : 20g of water

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  16. Convert into moles : 22g of carbon dioxide

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  17. What is the mass of : 0.2 mole of oxyen atoms?

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  18. What is the mass of: 0.5 mole of water molecules?

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  19. Calculate the number of molecules of sulphur (S8) present in 16g of so...

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  20. Calculate the number of aluminium ions present in 0.051 g of aluminium...

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