Answer:

Explanation:
1. Calculate the moles of copper(II) hydroxide

2. Calculate the molecules of copper(II) hydroxide
The answer is C because the weight is going down so they form a gas.
Answer:
The ring of fire
Explanation:
The ring of fire is where they meet or at the fault lines
Answer:
You can infert that it has a mass of 40 grams.It also has desnity of 40 grams per millilieter.
Explanation:
You have to use avagados number... so toy take your starting number and multiple by 1/avagados number which is like 6.002^23 and that will equal your number of males... avagado always associates with moles... look up that exact number though bc I cant remember it