Answer:
The amount of energy required to break the ionic bonds in CaF2.
Answer:
fast heart rate, lethargy, fatigue
0.000169 mol/g citric acid
Mass of Oxygen : 8 g
<h3>Further explanation</h3>
Given
48g of Magnesium
32g of Oxygen
Required
Mass of Oxygen
Solution
The ratio of Mg and O in MgO :
48 g : 32 g = 3 : 2
Total ratio = 3+2 = 5
So for 20 g MgO, mass of Oxygen :
=2/5 x 20 g
=8 g
Or
%mass O = 32/80 x 100%=40%
mass O in 20 g MgO =
40% x 20 g =8 g
Answer:
it's a i just took the test
YAY :D
Explanation: