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

13-03-2017

4.5 + 0 = 3.5 + 0.7x
1 = 0.7x
x = 1/0.7
x = 1.43 gallons of distilled water
Hope this helps!!

Answer Link

Otras preguntas

is hipnotism related with darkness?

Solve the system {f (x) = 2x-1 {g (x) = x^2-4

Secondary source are used to support the main text or primary source

Please help it’s urgent!

A 150 g egg is dropped from 3.0 meters. The egg ismoving at 4.4 m/s right before it hits the ground. The eggcomes to a stop in 0.072 seconds.What is the magnitu

Find the missing factor. Write your answer in exponential form. 1^9 = 1^7 • = _

Why was it decided to lower the voting age to 18 from 21? A-Not enough people were showing up to vote in elections. B-College students began to protest a lack

how did king osei justify his kingdom's participation in the slave trade?

What is the distance between points A and B? 8 -7 -6 -5 4 -3 -2 -1 0 1 2 3 4 5 6 7 8 units

According to Boyle's law, what would happen to the temperature of a gas if the pressure were halved as the number of moles and the volume were held constant? A