Sunday, 28 September 2014
m% salty
| Question A Chemist has m gm of salt water that is m% salty.How many grams of salt must be add to make a solution that is 2m % salty? Answer At m% salty m gm of salt water has m2 /100 gm salt At 2m% salty water the amount of salt to be added is derived from the equation as bellow 2m/100=m2+x/x+m Solve and get x=m2/100-2m |
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