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

What world religion is based on the monotheistic teachings of Muhammad? A. Hijrah B. Islam C. Medina D. Muslim E. Kaaba

Researchers attempt to find the truth about a subject. true false

A business chartered by a state that legally operates as a separate entity from the owner(s) is called _____. a. franchise b. sole proprietorship c. partnership

What is (8m^7 - 10m^5) / 2m^3 ?

When Germany began World War II in 1939, a secret agreement with the U.S.S.R. allowed Soviet troops to __________. A) occupy eastern Poland B) annex eastern Cze

A spinner has three sections. The table shows the results of spinning the arrow on the spinner 80 times. Three column table. First column values are Section

Researchers attempt to find the truth about a subject. true false

Is the group of words a sentence or a run-on sentence? Pueblo Indians were farmers, they dug irrigation ditches 1,000 years ago.

What is one benefit associated with a nuclear fission reaction? (1) The products are not radioactive. (2) Stable isotopes are used as reactants. (3) There is no

write the formula used to calculate the weight of an object