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

The process of exposing animals to caring human contact is known as.......?A.) ImprintingB.) Fear periodc.) Sensitive periodD.) Socialization

What is 9$ discounted to 4$ in percent form?

To conserve fuel and extend the life of your vehicle, you should a. drive so you keep the engine cold. b. plan ahead and combine short trips into one slightly

Which policy establishes the right of the United States to act as a policeman in the Western Hemisphere? a.the Roosevelt Corollary b.the Open Door Policy c.the

which of the following is a similarity between native americans of the southwest and the egyptians

One of the products of a fermentation reaction is

What Is Oxidation Reaction

What are factors which contributed to the reduction in size of the first generation computers to the size it is today?

which of the following accurately describe nutrient limitation

Making a profit by lending money is ____________. a. capital c. usury b. barter d. manufacturing In a market economy, land, labor, as well as capital, are