Explanation:
mass = moles * molar mass
molar mass of carbon dioxide (CO2) = 12+32 = 44
= 19.5* 44 = 858
proof
moles = mass /molar mass
= 858/44 = 19.5 moles
The answer to this question is 2 and 3
Answer: ok ill just take my points in dip
Explanation:
<span>(4) The dissolving of the LiBr(s) in water is an exothermic process</span>
This must be your work, otherwise it's against the Brainly code of conduct. If you need help finding a newspaper, go to BBC. They have plenty of relevant articles.