Answer: i have not 1 idea
Explanation:
0.0082 You have to equal out the amount of concentration with the unknown
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Answer:
False. NACl is Sodium Chloride. NACl2 is not possible.
Explanation:
One
way of expressing concentration is by expressing it by parts per million or
ppm. Parts per million is equal to 1 milligram of solute per kilogram of
solution. The problem is solved as follows:
<span>ppm
= 0.02 g (1000mg/1g) /( 1000 g + </span>0.02 g) (1 kg / 1000g)<span> </span>= 2x10^-5 ppm
