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NCERT TAMIL-CHEMICAL CALCULATION -Problems of Practice
- Calculate the formula weight of compounds NO2
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- Calculate the formula weight of compounds glucose (C6 H(12) O6)
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- Calculate the formula weight of compounds NaOH
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- Calculate the formula weight of compounds Mg (OH)2
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- Calculate the formula weight of compounds methanol (CH3OH)
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- Calculate the formula weight of compounds PCl3
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- Calculate the formula weight of compounds K2CO3
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- What is the mass in grams of a calcium atom, Ca?
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- What is mass number of an atom?
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- Calcualte the mass (in grams) of each of the following species. a. ...
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- H2O2 is a colourless liquid. A concentrated solution of it is used as ...
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- Boric acid, H3BO3 is a mild antiseptic and is often used as an eye was...
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- CS2 is a colourless, highly inflammable liquid used in the manufacture...
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- Nitric acid, HNO3 is a colourless, corrosive liquid used in the manufa...
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- Obtain the moles of substances in the following. a. 3.43 g of C b...
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- How many molecules are there in 56 mg HCN ?
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- Calculate the following Number of molecules in 43 g NH3
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- Calculate the following Number of atoms in 7.46 g Li
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- Calculate the following Number of atoms in 7.46 g Li
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- A substance on analysis, gave the following percentage composition, Na...
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