chiamakaatanmo98 chiamakaatanmo98

18-05-2021
Chemistry

contestada

What is the percentage by mass of copper in copper oxide (CuO)?

Respuesta :

18-05-2021

Answer:

79.89%

Explanation:

Copper has a molar mass of 63.55

Oxygen has a molar mass of 16.00

If you add these you get 79.55

To get the mass percent of copper divide copper by the whole. 63.55/79.55*100= 79.89%

Answer Link

Otras preguntas

kareen ran 4.16 x 10^3 miles long

how do you solve the equation 0.4(2x+0.5)=3[0.2x+(-2)]-4

After a civil war, a transitional government often takes power. Which of the following terms best describes this type of government? A. unstable B. authoritaria

Suppose you earn $10.00 each hour you babysit.which function describes the relationship between your total earning e and the number of hours you babysit,h A~E(h

Why did the Greeks burn the bodies of the dead?

if there 8 boys for every 7 girls with 195 total, how many are boys?

Name an economic activity in an LEDC (less economically developed country) and what country it is in.

How do you label Time= energy • power

Which of the following is true about cells? Cells have specialized components that all perform the same functions. A cell has a single component that performs

What did the Treaty of Versailles mean for Europe in terms of War Guilt Clause, Reparations, Military, Land, and Peace Keeping?