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KUMAR PRAKASHAN-ATOMS AND MOLECULES-QUESTIONS AND ANSWERS( QUESTIONS IN SHORT )
- How do atoms exist?
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- How does an atom differ from a molecule?
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- Calculate the number of molecules of SO(2) present in 44 g of it.
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- Calculate the molar mass of the following substances : (a) Ethyne, C...
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- What is formula unit mass ?
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- Explain gram molecular mass. How is it related to the molc and Avogadr...
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- If one mole of oxygen atom weigh 16 g, find the mass of one atom of ox...
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- Convert into mole : (a) 12 g of oxygen gas (b) 20 g of water (c)...
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- What is the mass of (a) 0.2 mole of oxygen atoms? (b) 0.5 mole of wate...
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- Calculate the number of molecules of sulphur (S(8)) present in 16 g of...
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- Calculate the formula unit mass of Al(2)(SO(4))(3).
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- Which of the following compounds have polyatomic ions? NaCl, NaOH, N...
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- What is the mass of 0.5 moles of sucrose (C(12)H(22)O(11))?
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- Find the mass of 1.5 moles of CaCO(3).
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- What is the number of molecules in 8g CH(4)?
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- A 0.24 g sample of compound of oxygen and boron was found by analysis ...
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- When 3.00 g of carbon is burnt in 8,00 g of oxygen, 11.00 g of carbon ...
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