subject
Chemistry, 07.01.2021 18:30 orangeicecream

How many molecules of N2O4 are in 76.3g N2O4? The molar mass of N2O4 is 92.02 g/mol. a. 4.59 × 10^25 N2O4 molecules
b. 5.54 × 10^25 N2O4 molecules
c. 7.26 × 10^23 N2O4 molecules
d. 1.38 × 10^24 N2O4 molecules
e. 4.99 × 10^23 N2O4 molecules

ansver
Answers: 2

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 05:00, mahhvelousg97
You mix the pks of succinic acid are 4.21 and 5.64. how many gramsa graduate student at sdsu wants to measure the activity of a particular enzyme at ph 4.0. to buffer her reaction, she will use a buffer system based on one of the acids listed below, which acid is most appropriate for the experiment? of monosodium succinate (fw = 140 g/mol) and disodium succinate (fw = 162 g/mol) must be added to 1 l of water to produce a solution with a ph 5.28 and a total solute concentration of 100 mm? (assume the total volume remains 1 liter, answer in grams monosodium succinate, grams disodium succinate, respectively.) volumes of 0.05 m nah2po4 and 0.05 m na2hpo4 (pk's for phosphoric acid are 2.15, 6.82 and 12.38). which of the following best describes the resulting solution?
Answers: 2
image
Chemistry, 22.06.2019 15:30, lisabrewer18
How many moles are in 43.9 l of oxygen
Answers: 1
image
Chemistry, 22.06.2019 20:10, raiindrxp
What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.
Answers: 2
image
Chemistry, 23.06.2019 06:10, ridzrana02
How can liquids be seperated by density a the liquids are absorbed onto a paper b the liquids are turned into seperate vapors c the liquids are collected as they evaporate d the liquids are allowed to seperate into layers
Answers: 1
You know the right answer?
How many molecules of N2O4 are in 76.3g N2O4? The molar mass of N2O4 is 92.02 g/mol. a. 4.59 × 10^2...

Questions in other subjects:

Konu
Computers and Technology, 23.12.2020 14:00
Konu
Mathematics, 23.12.2020 14:00
Konu
Mathematics, 23.12.2020 14:00
Konu
Chemistry, 23.12.2020 14:00