meganfluff meganfluff

30-03-2014
Mathematics

Answered

a laboratory technician needs to make a 40-liter batch of a 40% acid solution. How can the laboratory technician combine a batch of an acid solution that is pure acid with another that is 20% to get the desired concentration?

Verified Answer :

30-03-2014

the answers comes to be for every 1 unit of pure acid (100%) add three units of 20% and you get the desired 40%

so if you need 40 L (i don't know what container sizes there are so i can't give you an exact amount just add 1 part 100% acid and 3 parts 20% acid)

Answer Link

Related Questions

3Choose the connective that belongs in the blank in the following sentence I like to play baseball I cant throw a ball very well A For instance B Besides C In f

Why are the players traveling What has been going on in the city In hamlet

What is the greatest perimeter of a rectangle with the same area of 39 square feet

find the GCF of the numbers by listing the factors 3642 a2 b84 c252 d6

Is a faded picture a chemical or physical change

Displacement is the change in velocity of an object True or false

Which of the following nutrients contains the most calories per gram a Vitamins b Lipids c Carbohydrates d Protein

Help again please

Mr Bondi suggests there doesnt have to be some chaotic event such as an explosion to explain the origin of the universe Our universe was and just is It looks th

Find 35 more than 90

Web Analytics Made Easy - Statcounter