5.04g of a mixture of anhydrous sodium carbonate and sodium hydrogen when heated to a constant mass gave 4.11g of residue write an equation for the reaction that takes place when the mixture is heated (show working) calculate the percentage of anhydrous sodium carbonate in the mixture

'x' gm of a compound A3B2C5 contains 'y' gm of A atoms

 

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how to represent the possible fischer projections for 2-bromohexane