judi45 judi45
  • 06-07-2022
  • Chemistry
contestada

How many H2O molecules are there in 4.5 g of water (see picture)

How many H2O molecules are there in 45 g of water see picture class=

Respuesta :

hshskdnd hshskdnd
  • 06-07-2022
answer is B.
number of mole of water = 4.5/18 = 0.25mol
number of h2o molecules = 0.25 x 6.02 x 10^23 to get option B
Answer Link

Otras preguntas

Explain why it is possible to draw more than two different rectangles with an area of 36 square units, but it is not possible to draw more than two different re
mark has a board that is 12 feet long. he cuts the board into 8 pieces that are the same lenghth. how long is each piece?
Once civilizations formed, people started to remain in a single place. Which of the following was a direct result of this occurrence? A. Civilizations began to
what is 9 7/8 as a percent
Which of the following statements best describes the use of the term “new world”? A. "New world" referred to the expanded understanding of the Earth's landmass
Factor out the coefficient of the variable 3n - 24
Number 14 pleaseeeeee!:(
what does pi equal exactly
what addition multi step equation equal 16
S+841.9=1000 what does S stand for