11 items are filed under this topic.
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A sulphuric acid solution |
2018-07-12 |
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From Tan:
How much 96% h2so4 to add into sulphuric acid 30% in order to make it to 50% sulphuric acid?
Answered by Penny Nom. |
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A mixture problem |
2013-08-11 |
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From MJ:
How many liters of pure acetic acid must be mixed with 3 liters of a 30% acetic acid to obtain a mixture of 65%?
Answered by Penny Nom. |
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Dilution of concentrated acid |
2013-07-31 |
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From Adom:
I have 500mls of 90% conc. of an acid. Now I need to prepare 20% concentration from this (say 100mls of this). How much of the stock solution do I take and how much water to add? Thanks!
Answered by Penny Nom. |
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A 25% sulfuric acid solution |
2012-05-03 |
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From Scott:
In order to make a 25% solution with 96% Sulfuric Acid, how much of the Sulfuric do I add to DI water to make up 2000ml??
Answered by Penny Nom. |
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A solution of 45% acetic acid |
2009-09-28 |
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From Autumn:
if a chemist has a 4 liter solution that consists of 90% acetic acid, how much water does he need to produce a solution of 45% acetic acid?
Answered by Penny Nom. |
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A water acid mixture |
2008-08-19 |
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From Sulagna:
A chemical solution is made by mixing an acid with water in the ratio 1:24.
This solution is then taken and mixed with water in the ratio 1:3. How much acid
would be there in 200ml of this final solution?
Answered by Penny Nom. |
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2500mL of Phosphoric acid |
2008-04-09 |
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From Trina:
If I have 2500mL of Phosphoric acid that has a fluoride concentration of 0.91% and need to increase it to 1.40% how much 49% HF do I need to add?
Answered by Harley Weston. |
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The number of grams of sulfuric acid |
2007-05-31 |
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From cookie:
Hi,
Can you please let me know if I've done this correctly?
Calculate the number of grams of sulfuric acid in 0.500L of battery acid if the solution has a density of 1.28 g/mL and is 38.1% sulfuric acid by mass.
Answered by Stephen La Rocque. |
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Diluting an acid solution |
2006-02-25 |
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From Alex:
IF YOU HAVE 1 Litre OF A 70% ACID SOLUTION, AT WHAT RATIO DO YOU DILUTE IT WITH WATER TO ACHIEVE A 30% AND 50% ACID SOLUTION?
Answered by Penny Nom. |
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A mixture problem |
2004-09-30 |
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From Abraham:
A chemist has one solution that is 35% pure acid and another solution that is 75% pure acid. How many cubic centimeters of each solution must be used to produce 80 cubic centimeters of solution that is 50% acid?
Answered by Penny Nom. |
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A mixture problem |
2003-07-10 |
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From A student:
Having a problem with word problems. example A chemist mixes a 10% acid solution with a 50% acid solution to form 400mL of a 40% solution. How much of each solution should be used.
Answered by Penny Nom. |
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