ruthadugna123 ruthadugna123
  • 03-10-2019
  • Mathematics
contestada

How much pure acid should be mixed with 6 gallons of a 20% acid solution in order to get a 40% acid solution

Respuesta :

graysonrevves42 graysonrevves42
  • 03-10-2019

Let A be the amount of 100% acid.

100A+20*(6)=40*(A+6)

100A+120=40A+240

60A=120

A=2 gallons

Answer Link

Otras preguntas

Translate and solve: 94% of what number is 611?
Can any kind soul help me ASAP ​
please, please, please help! this assignment is due in a few mins and idk what to do. I will mark the first/best answer brainliest! Why do substances exist as a
For each of the hypothetical data sets, determine whether a bar graph or a pie chart would be an appropriate way to display the data. In some cases, both types
Solve x − 2y = 3 for x.
How did the expansion of railroad transportation most benefit farmers in the United States? Group of answer choices by providing farmers with affordable access
slove one question please​
Please help ! Easy 7th grade math . It’s talking about integers !!
PLEASE ANSWER IN A PARAGRAPH. 1.) In about a paragraph, tell me your opinion on whether or not zoos should be banned. Give 3 reasons on why you picked where the
PLEASE ANSWER IN A PARAGRAPH. 1.) In about a paragraph, tell me your opinion on whether or not zoos should be banned. Give 3 reasons on why you picked whether t