<span>Fluoride is often added to drinking water to help reduce tooth decay
Also for toothpaste to help prevent tooth decay
</span>
Better Bush
I hope I helped
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Answer:
112.22 g
Explanation:
mass = no. of moles x atomic mass
From the periodic table, we can see the atomic mass of Ca is 40.078.
Therefore,
mass = 2.80 x 40.078
= 112.22g (corrected to 2 decimal places.)
Chemistry II, Zumdahl 7th edit, Chapter#2 Questions Bank
A B
The first chemist to perform truly quantitative experiments was? Robert Boyle
The scientist whom discovered the Law of Conservation of Mass is also called the Father of Modern chemistry.Who is that scientist?
Carbon- C
hydrogen - H
Nitrogen - N
Iron- Fe
Copper- Cu