describe how you prepare 400 ml of 50% ethanol from 60% ethanol?
also says round to the nearest ml if necissary.
If anyone can show me how to do this it would be awesome I am about to take a test and can't figure this out.
I am hoping to go to timberline july 13th thru the 17.. i wanted to kno if anyone knows what the park will be like, i heard you have to hike from the bottom back to the lift.. is that true???