how much of a 10% solution is needed to prepare 100 mls of a 7% solution?
2006-08-09 21:03:52 · 7 answers · asked by married1 2 in Education & Reference ➔ Homework Help
sorry. but thats exactly how they worded it for me to answer.
2006-08-09 21:14:13 · update #1
i think what there asking is how much of the 10% solution plus another solution, lets say water, is needed to make 100 mls of 7% solution. so you dilute down 10% of something to make it 7% but it has to equal 100 mls
2006-08-09 21:16:17 · update #2
you love math questions, dont you debashis!
2006-08-09 22:38:20 · update #3
That's not a proper question.
No mater how much you poor from a 10 % solution it will be a 10% solution.
What's the other stuff?
70 mls 10% + 30 mls 0% would do the trick.
2006-08-09 21:09:18 · answer #1 · answered by Puppy Zwolle 7 · 0⤊ 0⤋
70 ml of the solution + 30 ml of pure water
2006-08-10 05:46:38 · answer #2 · answered by Anonymous · 0⤊ 0⤋
70 ml of the sol and 30 ml of the water
2006-08-10 06:27:32 · answer #3 · answered by Anonymous · 0⤊ 0⤋
70 mls. Good question
2006-08-10 04:10:15 · answer #4 · answered by debashis j 2 · 0⤊ 0⤋
nice Question
2006-08-10 05:01:45 · answer #5 · answered by fzaa3's lover 4 · 0⤊ 0⤋
70mls is correct. add 30mls of water, if it's water your dealing with.
2006-08-10 04:16:19 · answer #6 · answered by Anonymous · 0⤊ 0⤋
are you adding water? more info please
2006-08-10 04:09:23 · answer #7 · answered by christine 1 · 0⤊ 0⤋