Question

What is the average salinity of ocean water?

0.345 g/kg

3.45 g/kg

34.5 g/mL

345 g/mL

Answer 1

35 parts per thousandOn average, seawater in the world's oceans has a salinity of approximately 3.5%, or 35 parts per thousand. (For every 1 litre (1000 mL) of seawater there are 35 grams of salts.)

Therefore, your answer is 34.5 g/mL

Answer 2

Answer:

34.5 g/mL

Explanation:

Actually sea water salinity is 35 grams per litre (average).

Which means: $\frac{35g}{1L}$