calculate normality and molarity of solution if 4 litre ammonia gas at S.T.P dissolve in 500 cc of solution.
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Calculate the number of mole in 16 g of Sulphur.
n = 16/32 = 0.5
What is the mass in grams of a single atom of chlorine ?
m/M = No/NA = 35.5/6.022 x 10 23 = 5.9 x 10 -23 g
The density of Hg is 13.6 g cm -3. How many moles of Hg are there in one litre of the metal ?
m=vd, n = m/M, 13600/200 = 68
Calculate the volumes in litres of 20 g of Hydrogen gas at STP.
m/M = V/22.4 L , 224L
n = 16/32 = 0.5
What is the mass in grams of a single atom of chlorine ?
m/M = No/NA = 35.5/6.022 x 10 23 = 5.9 x 10 -23 g
The density of Hg is 13.6 g cm -3. How many moles of Hg are there in one litre of the metal ?
m=vd, n = m/M, 13600/200 = 68
Calculate the volumes in litres of 20 g of Hydrogen gas at STP.
m/M = V/22.4 L , 224L
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