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MBD-ATOMS AND MOLECULES -Example
- What is the mass of : 10 moles of sodium sulphite (Na2SO3)?
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- Convert into moles : 12g of oxygen gas
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- Convert into moles : 20g of water
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- Convert into moles : 22g of carbon dioxide
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- What is the mass of : 0.2 mole of oxyen atoms?
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- What is the mass of: 0.5 mole of water molecules?
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- Calculate the number of molecules of sulphur (S8) present in 16g of so...
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- Calculate the number of aluminium ions present in 0.051 g of aluminium...
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- Write the important postulates of the Dalton's Atomic Theory
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- Give four drawbacks of Dalton's Atomic Theory
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- How will you write the name of a binary molecular compound ?
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- Give one experiment to prove the truth of law of conservation of mass.
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- Differentiate between an atom and a molecule.
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- What do you understand by the term chemical formula ?
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- What qualitative information is given by the formula NH3
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- Write down the formula of :Aluminium oxide
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- Write down the formula of :Aluminium chloride
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- Write down the formula of : Hydrogen sulphide
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- Calculate the relative molecular masses of : Water (H2O)
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- Calculate the relative molecular masses of : Nitric acid (HNO3)
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