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The formula of carbonate of a metal M is...

The formula of carbonate of a metal `M` is `M_(2)CO_(3)`.
(a) What will be the formula of its iodide ?
(b) What will be the formula of its nitride ?
(c) What will be the formula of its phosphate ?

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(a) `MI` , (b) `M_(3)N` , (c ) `M_(3)PO_(4)`
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LAKHMIR SINGH & MANJIT KAUR-ATOMS AND MOLECULES-Exercise
  1. An element X forms the following compounds with hydrogen, ca...

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  2. If the aluminium salt of an anion X is Al(2)X(3), what is the valency...

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  3. The formula of carbonate of a metal M is M(2)CO(3). (a) What will ...

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  4. The atom of an element X contains 17 protons, 17 electrons and 18 neu...

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  5. What is a group of 6.022 xx 10^(23) particles known as ?

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  6. What name is given to the amount of substance containing 6.022 xx 10...

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  7. What is the numerical value of Avogardo number ?

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  8. How many atoms are present in one gram atomic mass of a substance ?

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  9. How many molecules are present in one gram molecular mass of a substan...

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  10. What name is given to the number 6.022 xx 10^(23) ?

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  11. Convert 12 g of oxygen gas into moles.

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  12. How many moles are 3.6 g of water ?

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  13. What name is the mass of 0.2 mole of oxygen atoms ?

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  14. Find the mass of 2 moles of oxygen atoms ?

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  15. Fill in the following blanks : (a) 1 mole contains "…………." atoms, ...

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  16. (a) How many atoms are there in exactly 12g of carbon-12 element ? (...

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  17. Calculate the mass of 12.044 xx 10^(25) molecules of oxygen (O(2)).

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  18. What is the number of molecules in 1.5 moles of ammonia ?

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  19. How many moles of calcium carbonate (CaCO(3)) are present in 10 g o...

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  20. How many moles of O(2) are there in 1.20 xx 10^(22) oxygen molecu...

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