Question

I NEED IMMEDIATE HELP PLEASE!!!!!
a chemist needs to prepare 28 oz of 9% hydrochloric acid solution. Find the amount of 14% solution, and the amount of 7% solution she should mix to get 9%.

Answer 1

do you have any options

Answer 2

nope :(

Answer 3

And I have no idea how to do this at all

Answer 4

Not sure, sorry! I suck at word problems :(

Answer 5

k thanks!

Answer 6

@Kainui

Answer 7

Im not 100% sure but i got x=-1.11,1.11

Answer 8

so x is -1.11 and y is 1.11?

Answer 9

I don' think I can have negative numbers

Answer 10

its just for x....im not sure about this problem

Answer 11

ok

Answer 12

@SolomonZelman can you help?

Answer 13

@yomamabf

Answer 14

@texaschic101 @DanJS