youngredhead youngredhead

12-06-2017
Chemistry

contestada

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

Respuesta :

scme1702 scme1702

19-06-2017

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%

Answer Link

mnicolehernand mnicolehernand

15-09-2018

i believe it is A on e2020

Answer Link

Otras preguntas

Jillene wrapped 4 gifts for her 4 cousins. If she gives them out randomly, what is the probability that every cousin gets the right present?

Which of these is an explanation for why it is important for a democratic government to hold regular elections? A) to preserve the connection between voters and

write the function:[tex]f(x) = - 5 {x}^{2} - 60x - 181[/tex]in vertex form, and identity its vertex

If there is a solid double yellow line in the center of the roadway, you:

solve this in an equality 8z+3-2z <51

HELP ME PLEASE I NEED HELP ASAP

The Truth About Antibacterial Soap According to Discovery Fit & Health, about 75 percent of liquid soaps claim to be antibacterial. While this kind of soap

Making sure group members understand and agree on the problem is part of the __________ step of the reflective thinking process

George murdock found that there are 70 categories of true cultural universals. a. True b. False

steve paid 10% tax on a purchase of 40$ . select the dollar amount of the tax ad the total dollar amont steve paid on the number line.