2 articles trouvés pour ce sujet.
|
|
|
|
|
|
|
|
A sulphuric acid solution |
2018-07-12 |
|
Tan pose la question : How much 96% h2so4 to add into sulphuric acid 30% in order to make it to 50% sulphuric acid? Penny Nom lui répond. |
|
|
|
|
|
Dilution of concentrated acid |
2013-07-31 |
|
Adom pose la question : 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! Penny Nom lui répond. |
|
|