2 years ago

The percent by mass of copper in CuBr2 is Use mc004-1.jpg. 28.45%. 44.30%. 63.55%. 71.55%.

Chemistry

2 answers:

maxonik [38]2 years ago

8 0

i believe it is A on e2020

Greeley [361]2 years ago

3 0

First, we must find the total mass of CuBr₂:
Mass = 64 + 2 x 80
Mass = 224

Percentage mass of copper = mass of copper x 100 / total mass
Percentage mass of copper = (64 / 224) x 100
Percentage mass of copper = 28.45%

You might be interested in

Why is governmental funding of research important?

nordsb [41]

Answer:

D. The government determines what is right & wrong for everyone

Explanation:

3 0

2 years ago

What happens when sodium and sulfur combine

german

Answer:

It emits hydrogen sulfide...smells like rotten eggs..

ty:)pls let me know whether this is ryt:D

6 0

2 years ago

Read 2 more answers

Write the formula for Zn+2 (SO4)-2

Pie

Answer:

Zn2 + SO4 = Zn2(SO4)2

Explanation:

4 0

2 years ago

What are the products of any combustion reaction involving a hydrocarbon

sweet [91]

Answer:

The products of the combustion of hydrocarbons are carbon dioxide and water. Many hydrocarbons are used as fuel because their combustion releases very large amounts of heat energy.

4 0

1 year ago

Read 2 more answers

If you experience a painful bee sting, there is formic acid at work. which type of organic compound is responsible for your suff

QveST [7]

The Answer is B - carboxylic acid

3 0

3 years ago

Read 2 more answers