ericakubie24 ericakubie24

11-10-2018
Chemistry

contestada

What is the empirical formula of a compound composed of 30.5 g potassium (k) and 6.24 g oxygen (o)?

Respuesta :

zestyzen zestyzen

12-10-2018

K5O2

convert grams to moles, divide both by the smallest mole mass, multiply that until hole.

30.5 g K ÷ 39.10 = .78 mol
6.24 g O ÷ 16 = .39 mol
.78 mol ÷ .39 mol = 2.5
.39 mol ÷ .39 mol = 1
2.5 x 2 = 5
1 x 2 = 2
K5O2

Answer Link

Otras preguntas

How do I solve 5 + 6y = 9y + 2 + 3(1 - y)

Feelings often based on our beliefs that

Suppose a substance has a heat of fusion equal to 65 cal/g and a specific heat of 0.70 (cal/g*°C) in the liquid state. If 4.0 kcal of heat are applied to a 50-g

Find the length of if AB = 8 and CB = 4. This is all it gave me

Which excerpt from the passage most clearly indicates the audience?

President Wilson is speaking to the Constitutional principle of

A cereal company puts 18 ounces of cereal in each box. The company has 2,376 ounces of cereal. Write an equation that you could use to find b, the number of 1

will give brainliest the phrase but what if a Gorgon should return. This is an example of A) alliteration. B) allusion. C) hyperbole. D) metaphor.

dimensions 40 feet long, 20 feet wide, and 5 feet deep

One of the functions of the cell wall is to?