You need 200 mL of a 10% alcohol solution. On hand, you have a 25% alcohol mixture. How much of the 25%
alcohol mixture and pure water will you need to obtain the desired solution? I need help

Respuesta :

so yull do math I'm guna do different number just plug these in for.your numbers 225/(375+x)=25

cross multiply land solve900-375 x=525 then cheak

225/(375+525) = .25