How many moles of water, H2O, contain 2.0×1022 molecules of water? (See the hints for assistance in interpreting scientific nota

Question

mezya [45]

3 years ago

12

How many moles of water, H2O, contain 2.0×1022 molecules of water? (See the hints for assistance in interpreting scientific nota

tion.)
Express the quantity in moles to two significant figures.

Chemistry

1 answer:

tresset_1 [31] · Answer 1 · 2022-07-26T08:07:01+03:00

tresset_1 [31]3 years ago

6 0

<span>Scientific notation is the standardized way to represent any number as the product of a real number and a power of ten. Apply Avogadro's constant which is 6.023x10^23 molecules per mole.

20x10^22 molecules / </span>6.023x10^23 molecules per mole = 0.33 moles.