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The mass of one atom of hydrogen is 1.00...

The mass of one atom of hydrogen is 1.008 amu. Calculate the mass of 26 atoms of hydrogen.

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To calculate the mass of 26 atoms of hydrogen when the mass of one atom of hydrogen is given as 1.008 amu, follow these steps: ### Step 1: Identify the mass of one atom of hydrogen. The mass of one atom of hydrogen is given as 1.008 amu. ### Step 2: Determine the number of atoms. We need to calculate the mass for 26 atoms of hydrogen. ...
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ICSE-SOME BASIC CONCEPTS OF CHEMISTRY -NCERT TEXT-BOOK EXERCISES (WITH HINGS AND SOLUTIONS)
  1. The mass of one atom of hydrogen is 1.008 amu. Calculate the mass of 2...

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  2. Calculate the molar mass of the following: (i) H(2)O (ii) CO(2) (i...

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  3. Calculate the mass per cent of different elements present in sodium su...

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  4. Determine the empirical formula of an oxide of iron, which has 69.9% i...

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  5. Calculate the amount of carbon dioxide that could be produced when ...

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  6. Calculate the mass of sodium acetate (CH3COONa) required to make 500 m...

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  7. Calculate the concentration of nitric acid in moles per litre in a sam...

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  8. How much copper can be obtained from 100 g of copper sulphate (CuSO(4)...

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  9. Determine the molecular formula of an oxide of iron in which the mass ...

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  10. Calculate the atomic mass (average) of chlorine using the following da...

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  11. In three moles of ethane (C(2)H(6)), calculate the following: (i) N...

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  12. What is the concentration of sugar (C(12)H(22)O(11)) in mol L^(–1) if ...

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  13. If the density of methanol is 0.793 kg L^(–1), what is its volume need...

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  14. Pressure is determined as force per unit area of the surface. The SI u...

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  15. What is the SI unit of mass? How is it defined?

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  16. Match the following prefixes with their multiples:

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  17. What do you mean by significant figures?

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  18. A sample of drinking water was found to be severely contaminated with ...

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  19. Express the following in the scientific notation: (i) 0.0048 (ii) 2...

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  20. How many significant figures are present in the following? (i) 0.002...

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  21. Round up the following upto three significant figures: (i) 34.216 ...

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