alyarellano2000 alyarellano2000

23-02-2017
Chemistry

contestada

Calculate the mass of oxygen released by the action of water on 10.0 grams of sodium peroxide (the other product is sodium hydroxide).

Respuesta :

scme1702 scme1702

01-03-2017

The reaction equation:
2H₂O + 2Na₂O₂ → 4NaOH + O₂

Moles of sodium peroxide = 10 / 78 = 0.128

Moles of oxygen released = 0.128 / 2 = 0.064 mol
Mass of oxygen = 0.064 x 32

Mass of oxygen = 2.05 grams

Answer Link

Otras preguntas

PLEASE HELP WILL GIVE BRAINLIEST What is the arc measure of a sector with area 38.485 ft2 and radius 7?

Miriam schapiro's collage baby blocks combines two different kinds of shape. ________ is the term used to describe a shape that suggests the natural world, whil

The sum of 3 consecutive odd numbers is 87, what are the numbers?

On the last math test, Murphy got an 82%. Ralph got 20 of the 25 questions correct. Who had the higher grade?

There are 1295 students attending a small university there are 714 women enrolled. What percentage of students are woman?

The summer olympics occur every four years. if the last summer olympics happened in 2008, when are the next three times that it will occur? Describe the sequenc

How is bohr model better than the rutherford model?

what trend in atomic radius do you see as you go across a periodic on the periodic table

Lesson 10: Congruent Triangles ._.

Sleep researchers use a(n) _________________________ to study brain waves of people while they are asleep.