calcium carbonate reacts with aques solution of hcl to give cacl2 and co2 according tothe reaction, caco3+2hcl gives cacl2+co2+h20.what is the mass of caco3 requiredto react completely with 25 ml of 0.75M HCL.

'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