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

Answer Link

Otras preguntas

A car starts from rest and travels for 4.0s with a uniform acceleration of + 1.3m/s^2. The driver then applies the brakes, causing a uniform acceleration of - 1

PLEASE HURRY FAST!!! Jim is building a pen for his puppy. His puppy has an area of 127 square feet. Which is the best estimate for the number of feet of fencing

1.07 x 104 -3.38 × 10³

Complete the sentence with a word that means the same as "rare"

Hey, How are you what you doing

Quick Math Question for 50 Points! Anybody willing to help? If so, brainliest plus huge thanks! :D Eight less than the product of three and a number is the same

= A coat is reduced $24 from the original price of $400. What is the percent decrease? The price of the coat decreased by%. K

1.08 to the 3rd power?

Quick Math Question for 50 Points! Anybody willing to help? If so, brainliest plus huge thanks! :D Eight less than the product of three and a number is the same

This acceleration function represents the acceleration of a subatomic particle: a(t) = 6t² - 8t The particle has an initial velocity of 1 m/s. What is the veloc