Home › Forums › Psychedelics › Help with preparing stock solutions grrrrrr
This topic contains 1 reply, has 0 voices, and was last updated by Aackson 11th May 2018 at 5:00 pm.
I have literally been at this problem for a good 2 hours or so, it is definitely doing my head in. :'( It is safe to say that any help will be really appreciated!
You need to prepare 100mL of a 0.4M solution of MgCl2.
You have 50mL pf a 0.5M MgCl2 solution and 35mL of a 5%w/v MgCl2 solution.
What volume of 5% MgCl2 and water needs to be added to the 50mL of 0.5M MgCl2 solution to make up 100mL of 0.4M MgCl2?
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