Ask
your own question, for FREE!
Mathematics
9 Online
Algebra Mixture: a chemist has 80 ml of a solution containing 20% acid. How many ml must he romove and replace with pure acid to obtain a 40% solution of acid?
Still Need Help?
Join the QuestionCove community and study together with friends!
well. so i am assuming that is 20% V/V. so, 80 ml has 20% acid - what is the volume of acid in those 80 mls then?
the question doesn't include the volume
Do you know the right answer?
No :(
Let x = the amount of pure acid to be added .20(80-x)+1.00x=.40(80)
Still Need Help?
Join the QuestionCove community and study together with friends!
Tysm you really helped me! I get it now :)
yw. What is the answer?
x=20
Good job!!
thnx xD
Still Need Help?
Join the QuestionCove community and study together with friends!
|dw:1338160420201:dw| \[\frac 14 \times 80 = 20 L \]
Can't find your answer?
Make a FREE account and ask your own questions, OR help others and earn volunteer hours!
Join our real-time social learning platform and learn together with your friends!
Join our real-time social learning platform and learn together with your friends!
Latest Questions
Countless7Echos:
Aye.. I need actually some help on the shading here.. if the light is from above too I just feel something is off.
kaelynw:
tried a lil smt, the arm is off but i like the other stuff
Countless7Echos:
I don't know just no sketch doodle day :p finished a video already so I'm pretty
Ferrari:
Depression Hi, it's me, Jordan (ferrari). It's supposed to be the Fourth of July but I feel kinda depressed and mad at myself for no reason.
4 hours ago
19 Replies
3 Medals
16 hours ago
27 Replies
3 Medals
2 days ago
9 Replies
2 Medals
2 days ago
13 Replies
1 Medal