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MBD-ATOMS AND MOLECULES -Example
- How many atoms are present in, PO4^(3-) ion?
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- Calculate the molecular masses of H2,O2,Cl2, CO2,CH4,C2H4,NH3,CH3OH.
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- Calculate the formmula unit mass of ZnO, Na2O,K2CO3.
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- If one mole of carbon atom weigh 12 grams. What is the mass ( in grams...
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- Which has more number of atoms, 100 gram of sodium or 100 gram of iron...
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- A 0.24 g of coumpound of oxgen and boron was found by analysis to con...
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- When 3.0 g of carbon is burnt in 8.00 g oxygen, 11.00 g of carbon diox...
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- What are polyatomic ions ? Give examples.
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- Write the chemical formula of the following :Magnesium chloride
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- Write the chemical formula of the following :Calcium oxide
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- Write the chemical formula of the following :Copper nitrate
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- Write the chemical formula of the following :Aluminium chloride
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- Write the chemical formula of the following :Calcium carbonate
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- Give the names of the elements present in the following compounds :Qui...
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- Give the names of the elements present in the following compounds :Hyd...
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- Give the names of the elements present in the following compounds : Ba...
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- .Give the names of the elements present in the following compounds :Po...
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- Calculate the molar mass of the following substances : EthyneC2H2
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- Calculate the molar mass of the following substances :Sulphur moleule,...
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- Calculate the molar mass of the following substances :Phosphorus molec...
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