Question

Mass of water on the earth's surface​

Answer 1

Scientists calculate that the total mass of the oceans on Earth is 1.35 x 1018 metric tonnes, which is 1/4400 the total mass of the Earth. In other words, while the oceans cover 71% of the Earth's surface, they only account for 0.02% of our planet's total mass.

hope it's help you

Answer 2

76% mass of Earth's surface is covered with water