How much salt is in one gallon of ocean or sea water?

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The 'average' ocean or sea has a salinity of about 3.5%. Assuming that a gallon of water is roughly 8 pounds, this would be about 4.5 ounces. In metric, about 35 grams per liter.
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How much does one gallon of salt water weigh?

Weight of a Gallon of Salt Water See the web links below this answer for an automatic calculator that will give you the density of water at whatever temperature and salinity

How much does 1 gallon of sea water from the pacific ocean weigh?

Well, 1 pint of water weighs roughly one pound, so 1 gallon would be about 8 pounds. Of course it's a lot easier in SI units, where you can just count by tens. 1 liter weig

How much salt does one gallon of water hold?

At 20 o C , 35.89 g NaCl (salt) dissolves in 100 g H 2 O (water) in order to make the solution saturated. I found this information using an online solubility table. 1 gallon