Number of moles of CO2 present in 24 grams of carbon is
1 mole of CO2 contain 12gms of carbon and 44 gms of CO2
therefore 24 gms of carbon is present in 88 gms of CO2 or 2 moles of CO2
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Atomic weight of an element is given by
Atomic weight=number of neutrons+number of protons
Number of moles of solute present in 1 litre of solution is
Moles of solute present in 1 litre or 1000ml of solution is called molarity
Which among the following is the most electronegative element?
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Who is the author of the book "Adventures of the sherlock holmes"?
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Pick the odd man out
1 4 16 64 126
1*3+1=4
4*3+4=16
16*3+16=64
64*3+64=208 but it is given 126