edwardsjadrinae3528 edwardsjadrinae3528

17-02-2022
Chemistry

contestada

Quickly please‼️‼️‼️How many moles are in 45 grams of oxygen ?

Respuesta :

olawalebusola762 olawalebusola762

17-02-2022

Answer:

n=mass/molar mass

molar mass=16x2=32

mass=45g

n=45/32

n=1.4 mol

Answer Link

Otras preguntas

Simplify: 8n-7y-12n+5-3y

Which US president first explained the domino theory, which was concerned with the expansion of communism in Southeast Asia?

Which statement about peace negotiations is false? (5 points) The Big Four leaders directed the peace negotiations. France and England ruled parts of the former

Which of the following statements about European demographics is false? a. The population of Europe is approximately 493 million. b. Europe has a high life ex

Which of the following best explains how the United States acquired Alaska? a. The United States claimed Alaska after winning a war with Russia. b. The United

The caste system was put in place by the Mauryans. True False

Perestroika failed to improve the Soviet economy for all of the following reasons, EXCEPT __________. A .the lack of interest by foreign investors in opening bu

A sound wave is modeled with the equation y=1/4 cos 2pi/3theta. Find the period. Explain your method. Find the amplitude. Explain your method. What is the equat

The institution responsible for managing a nation’s money supply is the __________. a. central bank b. trade commission c. national security d. government r

The total economic cost of the war was estimated at ___________billion dollars.