nohey7itsessiller
nohey7itsessiller nohey7itsessiller
  • 15-06-2016
  • Chemistry
contestada

How many molecules of H2O are there in 1.0 g of H2O?

Respuesta :

Willchemistry
Willchemistry Willchemistry
  • 15-06-2016
Molar mass H₂O = 18.0 g/mol

number of moles :

1.0 / 18.0 => 0.055 moles

1 mole -------------- 6.02 x 10²³ molecules
0.055 moles --------  ? molecules

molecules = 0.055 x ( 6.02 x 10²³) / 1

molecules = 3.311x10²² / 1

= 3.311 x 10²² molecules

hope this helps!
Answer Link

Otras preguntas

Which sentence contains a dangling modifier? After making the team, practices and games took up a lot of free time. All season long, Ashlyn wanted to be a socce
Give the equation of the graph pictured below
the dorsal side of the frog is the top/bottom of the frog.?
What is the primary responsibility for a vessel operator assisting a boat in distress?
A bag of coins contains 2 quarters, 5 dimes, 3 nickels, and 4 pennies. If 2 coins are randomly chosen from the bag, one after the other, and not replaced, and
Java is the main island of Brunei. True False
Your parents are renting an apartment for you when you go away to college. An annual contract is $502.00/month with a 2-month penalty if you break the lease. Th
18) The popularity of television expanded rapidly beginning in what 20th Century decade? a.1930s b.1940s c.1950s d.1960s
Harriet's car is valued at $26,000, and she owes $20,000 on it. What is her current equity?
An individual that arises by reproductive cloning has a nuclear genome that is identical to __________.