Making a concentration

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I have a very serious problem,

In a few days a have practical from biology, and we have a task to make a different concentration of glucose. So I want to ask you, if I have 100 ml of 1% glucose how can I make 0.75 %, 0.5 % and 0.25 %?

Please help me :(

Posted: 08-05-11 20:43 by Glucose

75ml = 0.75%

50ml = 0.5%

25ml = 0.25%

It is really easy...

Posted: 10-05-11 16:46 by Sophie