Adrinking water plant adds 500 grams of fluoride to a water tank containing 500,000 liters of drinking water. what is the concentration of fluoride in the water in parts-per-million (ppm)?

Answer is: concentration of fluoride in the water in parts-per-million is 1 ppm.
Parts-per-million (10⁻⁶) is present at one-millionth of a gram per gram of sample solution, for example mg/kg.
m(fluoride) = 500 g · 1000 mg/g = 500000 mg.
m(water) = d(water) · V(water).
m(water) = 1 kg/L · 500000 L.
m(water) = 500000 kg.
arts-per-million = 500000 mg ÷ 500000 kg = 1 mg/kg = 1 ppm.

Hydrogen is the most abundant element on the periodic table..hope it .

c. electrical charges of ionic bonds.

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