Substance 6900

There are 4 per mille of active substance per 6 l of water during spraying. How many ml of active substance do we add to the spray?

Correct answer:

x =  24 ml

Step-by-step explanation:

V=6 l ml=6 1000  ml=6000 ml  q=4=10004=2501=0.004  x=V q=6000 0.004=24 ml



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