maddysarah maddysarah

01-03-2016
Mathematics

contestada

How much pure acid should be mixed with 6 gallons of a 60% acid solution in order to get an 80% acid solution?

Respuesta :

apologiabiology apologiabiology

01-03-2016

so pure=100%
x added

100%=1=pure

amount times purity=result

x=amount added
x times 1
6-x times (0.6) for te 60%
they add up to
6 times 0.8
solve
x+(6-x)0.6=6(0.8)
x=3

answer is 3 gallons replaced with 100% acid

Answer Link

Otras preguntas

Which of the following is a possible benefit of participating in youth organizations Higher grades More self confidence Helping the community All of the abo

Which u.s. president had to re-take the oath of office because of a mistake?

What type of food does Argentina have

What event led Kennedy to change his civil rights policies? A) James Meredith’s integration of Ole Miss B) use of violence against protestors in Alabama C) appo

What name should be used for the ionic compound KOH

Please help will upvote Tammy conducted a survey to find the favorite subject of the students at her school. She asked 25 students from her math class what the

4 teammates share 5 granola bars equally. How much of a bar dows each person get?

The main idea of this passage is an example of which theme of Pride and Prejudice? a. family b. marriage c. Pride and prejudice d. social class

AT AN APPLE ORCHARD, SMALL BAGS CONTAIN 7 APPLES. aLEXA AND HER FAMILY BOUGHT 91 APPLES FOR A PARTY. HOW MANY SMALL BAGS DID THEY BUY?

The government has the right to restrict the number of people who visit the White House. This is an example of a government exercising its .