The seawater's mass is 1.025 g/ml * 1000ml = 1025g
the bromine's mass is .000065 * 1025 = 0.066625 g
seawater contains 0.0065% (by mass) of bromine. how many grams of bromine are ther in 1.oo l of seawater? the density of seawater is 1.025 g/ml.
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