Question

On average, seawater in the world's oceans has a salinity of about 3.5%.

About how much salt is there in 100g of seawater.

Answer 1

3.5 grams

Explanation:

100g x 3.5%= 35 grams

Answer 2

Multiply the amount of water by the percentage:

100 x 0.035 = 3.5g of salt.