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A chemist wants to make a 10 solution of fertilizer. how much water and how much of a 30 solution should the chemist mix to get 30 L of a 10 solution?
30 liters of a 10 % solution of fertilizer has .1(30) = 3 liters of fertilizer 1 liter of 30% solution has .3 liter of fertilizer 10 liters of 30% solution has 3 liters of fertilizer so, the chemist needs 10 liters of the 30% solution and 20 liters of water to make 30 liters of a 10% solution.
What answer is correct The men have do a lot of work or the men did a lot of work or done a lot of work?
the men have done a lot of work or the men will do a lot of work both of these work fine
A chemist has one solution which is 50 percent acid and a second solution which is 25 percent acid how much of each should be mixed to make a 10 liters of a 40 percent acid solution?
6 litres of 50% + 4 litres of 25%
How does a Chemist use Algebra?
Using the 'Moles' equation as the simplest example. moles = mass(g) / Mr This can be algrebaically rearranged to Mr = mass(g) / moles or mass(g) = moles X Mr So there you go.!!!! That's a chemist using algebra. There are many more chemical equations Here's a few e.g. PV = nRT moles = [conc] X vol(mL)/1000 pH = -log(10)[H^(+)]
Formula to calculate work efficiency?
efficiency formula is (Wout/Win)*100% Wout is the work done by the machine is called the output work Win is the work done by you on a machine is called the input work efficiency= useful work output/work input For science, the effiency is: AMA/IMA * 100
