Science

Hello,

I am working on Methylene Blue dye adsorption for my thesis. I am embarassed to say I don't know basic chemistry. Anyway, my question is I have Methylene Blue Trihyrate 95%. I am trying to prepare stock solution. If I plan to make 1000 mg/l of solution, Is it as simple as "do I mix 1000 mg of MB with 1 litre of water"? I am not sure what the 95% means. Does it mean that if I add 1000 mg to 1 litre of water, I actually get 950 mg/l??

I hope I made myself clear, Thank you very much for your time.

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  1. When the instructions don't say, MOST of the time it means mass percent. Is there some other printing there, such as w/w or w/v; i.e., 95% w/w/ or 95% w/v? That will tell us what you want to know? Let me know and I can give you instructions.

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  2. I re-read the question and you have some contradictions? Do you want 95% w/w (or w/v) or do you want 1000 mg/L? The 1000 mg/L is easy to do.

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