2.0g of a mixture of Na2CO3 and NaCl were dissolved in a 250cm3 standard flask....
2.0g of a mixture of Na2CO3 and NaCl were dissolved in a 250cm3 standard flask....
2.0g of a mixture of Na2CO3 and NaCl were dissolved in a 250cm3 standard flask. 25cm3 portions of this solution required 26.6cm3 of 0.1mol/dm^3 of HCl for neutralization. What is the percentage by mass of Na2CO3 in the mixture?
A. 40
B. 50
C. 60
D. 70?
InChemistry
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Asked by mozey on 4th May, 2014
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