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1.a mixture of pure agcl and agbr contain 60.94% ag by mass! what is the %of agcl in the sample? 2. 1.84 gram of caco3 and mgco3 is heated to a constant

weight till 0.96g residue is formed.% of mgco3 was? 3. 100g caco3 reacts with 1L,1M hcl.how much co2 will b obtained on complete reaction? 4.when 400g of a 20%solution by weight was cooled, 50g solute precipitated. the percentage concentration of remaining solution is?


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