SOLUTION: If the volume of ocean water 5.5 x 10^20 contains 4.1 percent sodium chloride ("salt") by mass and the density of the water is 1.71 g/mL, calculate the total mass of sodium chlorid

Question 491999: If the volume of ocean water 5.5 x 10^20 contains 4.1 percent sodium chloride ("salt") by mass and the density of the water is 1.71 g/mL, calculate the total mass of sodium chloride. (1 ton = 2000 lb, 1 lb = 453.6 g) What is the mass of the sodium chloride in kg?

Answer by chessace(471) (Show Source): You can put this solution on YOUR website!
Carry the units along to make sure they cancel nicely.
Oh no! There is no unit on the volume of ocean water!
It's probably L; if not you will have to add some more conversion factors.
x=NaCl mass in kg.
x kg = 4.1% * 1.71 g/mL * (1 kg/1000g) * (1000 mL / L) * 5.5 * 10^20 L
Cancel^4...
x kg = 0.041 * 1.71 * 5.5 * 10^20 kg.

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