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

alder corp. had the following stockholders' equity balances at the beginning of the current year: common stock 200,000 shares authorized, $1 par; 15,000 shares

giving brainliest all stuff in picture

write an equation of the line passing through points (-2,-6) and (4,6)

When do a pharmacy technician, emergency dispatcher, and administrative personnel career have in common

What is the employee yearly contribution to the U.S. Medicare tax on a salary of 40,000 $/year? A. $2480 C. $1160 FICA Taxes Social Security 12.4% employer expl

on the first birthday, we light one candle; on the second birthday 2 candles; and on the 120th birthday 120 candles. how many candles do we light total in all 1

appendix 69 developing countries the relationship among tourism, poverty, and economic development in developing countries: a panel data regression analysis."

Explain the relationship between air flow and loss of mass?

picture sequence story

The type of cartilage that can withstand the strongest compression and tension forces is.