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Calculate the molecular mass of ethanoic...

Calculate the molecular mass of ethanoic acid, `CH_(3)COOH`.
(Atomic masses : `C = 12 u , H = 1 u , O = 16 u`)

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The correct Answer is:
60 u
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LAKHMIR SINGH & MANJIT KAUR-ATOMS AND MOLECULES-Exercise
  1. Calculate the molecular masses of the following compounds : (a) Met...

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  2. Calculate the molecular masses of the following compounds : (a) Me...

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  3. Calculate the molecular mass of ethanoic acid, CH(3)COOH. (Atomic ma...

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  4. Calculate the molecular mass of nitric acid, HNO(3). (Atomic masses : ...

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  5. Calculate the molecular mass of chloroform (CHCl(3)). (Atomic masses...

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  6. Calculate the molecular mass of hydrogen bromide (HBr). (Atomic masses...

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  7. Calculate the molecular masses of the following compounds : (a) Hy...

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  8. State the law of conservation of mass. Give one example to illustrate...

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  9. State the law of constant proportions. Give one example to illustrate ...

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  10. (a) State the various postulates of Dalton's atomic theory of matter...

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  11. (a) What is the significance of the symbol of an element ? Explain w...

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  12. (a) What is an atom ? How do atoms usually exist ? (b) What i...

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  13. (a) Define atomic mass unit. What is its symbol ? (b) Define atomic...

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  14. The atomicites of ozone, sulphur, phosphorus and argon are respectivel...

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  15. The symbol of a metal element which is used in making thermometers is ...

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  16. The Latin language name of an element is natrium. The English name of...

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  17. The atomic theory of matter was proposed by :

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  18. One of the following elements has an atomicity of 'one' . This ele...

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  19. The English name of an element is potassium, its Latin name will be...

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  20. The law of conservation of mass was given by :

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