karla18
karla18
10-03-2016
Chemistry
contestada
convert 72g of O2 to moles
Respuesta :
Tiendi
Tiendi
10-03-2016
moles = mass / molar mass
molar mass of O2 is 32
therefore moles = 72/32
= 2.25 moles
Answer Link
Divyankasc
Divyankasc
10-03-2016
Number of moles = Given mass/molar mass
Given mass : 72 gm
Molar mass of oxygen gas = 16×2 = 32 gm
Therefore, number of moles = 72/32 = 2.25
Answer Link
VER TODAS LAS RESPUESTAS ( 42+ )
Otras preguntas
24.15 as a two significant figures?
The narrator's description of the bookstore in the first paragraph presents it as
Which of the following abbreviations is a surgical procedure? Question 25 options: A) I&D B) ID C) MM D) SLE
Please help me asap!!!
The velocity function of a car is given by v(t) = -3t2 + 18t + 9 m/s. Find the acceleration of the car three seconds before it comes to a stop. A. a = -6.46 m
Determine which of the substrates will and will not react with naome in an sn2 reaction to form an appreciable amount of product.
John climbs a cliff that is 128 feet high in 16 minutes. What is his average rate of ascent?
According the world health organization, what is the ideal cesarean section rate?.
NO LINKS!! Please help me with these graphs Part 3
After energy conversions, you end up with the same total amount of energy as the original amount energy. Which law explains this rule?.
