jacobsplashmaster jacobsplashmaster
  • 13-03-2017
  • Mathematics
contestada

A chemist needs a 70% solution of tannic acid. How much distilled water must he add to 5 gallons of a 90% solution of acid to obtain the 70% solution?

Respuesta :

jason1141
jason1141 jason1141
  • 13-03-2017
4.5 + 0 = 3.5 + 0.7x
1 = 0.7x
x = 1/0.7
x = 1.43 gallons of distilled water 
Answer Link

Otras preguntas

Please answer me this question fast Stay Safe,Stay Healthy and Stay Happy ​
Two advantages of secondary tissues?
round off 19340 to 1 s f​
hhhhelppp pleaseeeeee
why did mercantilists believe that nations should set up overseas colonies?
State the relative position for the earth and sun in a lunar eclipse (in a partial and total eclipse)
ELA - Grade 8 Practice Test 6. In paragraph 17, what is the meaning of enthralled? A. fascinated B. offended C. frightened D. amused
What report in QuickBooks Online will show whether a client was profitable for a specific period?
Write True for correct statements and False for incorrect statements a. We should not lend goods to our neighbours. ​
can someone help me with this please?