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what is ppm?how to prepare 75 ppm?
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Answer / abhishek chanchal
75mg of any substance->100ml of solvent
further 1ml from 100ml in 10 ml of solvent=75ppm
| Is This Answer Correct ? | 19 Yes | 1 No |
Answer / naresh
Parts per million is ppm. preparation is same above
| Is This Answer Correct ? | 9 Yes | 0 No |
Answer / sachin khade
(weight of solute/wt of solvent)x 10^6
1 mg dissolved in 1 liter = 1 ppm
75 mg dissolved in 1 liter = 75 ppm
| Is This Answer Correct ? | 7 Yes | 1 No |
Answer / lutfor shikder
ppm stands for parts per million.Mathematically it is mg/L. To make 75 ppm we have to 75 mg of the target substance into a 1 Lite volumetric flask and dissolve it with the diluent and finally make volume up to the mark.
ppb= mcg/L
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / ulhas patil
7.5 mg sample in to 100 ml volumetric flast.ppm is called
parts per million.
| Is This Answer Correct ? | 5 Yes | 5 No |
Answer / veena v nair
ppm is parts per million.when a solute present in very minute amounts or trace amounts,the concentration is expressed as parts per million.
ppm=(number of parts of the components or mass of the component A/total mass of the solution)*10000000
| Is This Answer Correct ? | 0 Yes | 0 No |
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