A raindrop has a mass of 50.mg and the Pacific Ocean has a mass of 7.08 x〖 10〗^(20 ) kg.

Use this information to answer the questions below. Be sure your answers have the correct number of significant digits.

What is the mass of 1 mole of raindrops?

Round your answer to 2 significant digits.

How many moles of raindrops are in the Pacific Ocean?

Round your answer to 2 significant digits.

Question

A raindrop has a mass of 50.mg and the Pacific Ocean has a mass of 7.08 x〖 10〗^(20 ) kg.

Use this information to answer the questions below. Be sure your answers have the correct number of significant digits.

What is the mass of 1 mole of raindrops?

Round your answer to 2 significant digits.

How many moles of raindrops are in the Pacific Ocean?

Round your answer to 2 significant digits.

anonymous · Answer

a mole of raindrops presumably has
Nav=6.02 x 10^23 drops.
Multiple the mass of one drop (50mg = 50x10^-6 kg) by Nav
to get mass of a mole of raindrops

Then use this mass to divide into the mass of the Pacific Ocean.

Beware: "two significant digits" is not "two decimal places."

anonymous · Answer

5.0 × 10-5 kilograms is this it?

anonymous · Answer

8.30564784 × 10-29 kilograms so the answer is 8.3 X 10-29. Is this correct?