A sample of Cu(OH)2 weighs 14.6 g. The oxygen portion of the compound weighs 4.79 g. What is the percent composition of oxygen in copper (11)
hydroxide?
Select dne:
a. 32.8%
b. 0.328%
c. 3.05%
d. 30.5%

What is the total reduction potential of a cell in which potassium (k) is reduced and copper (cu) is oxidized? a. 2.59 v b. 3.27 v c. -3.27 v d.-2.59 v

During trial 2, what allowed you to determine that aluminum was the limiting reactant? check all that apply. all of the copper dissolved. all of the aluminum dissolved. the solution turned clear. the number of grams of copper(ii) chloride used in the reaction was greater than the number of grams of aluminum. the molar ratio of copper(ii) chloride to aluminum was greater than 3: 2, the equation’s molar ratio.

What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?