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2 articles trouvés pour ce sujet.
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Percentage of Acid |
2009-07-17 |
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Leeanne pose la question :
here is my question:
a chemist has 200 liters of solution that is 5% acid. how many liters of water
(0% acid) must he add to make a solution that is 4% acid?
Stephen La Rocque lui répond. |
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Mixing solutions |
2002-09-13 |
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Margaret pose la question :
In a chemistry laboratory the concentration of one solution is 10% hydrocholoric acid (HCl) and that of a second soulution is 60% HCl. How many mL of each should be mixed to obtain 50 mL of a 30% HCl solution??
Penny Nom lui répond. |
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