Question #e864f
1 Answer
Apr 30, 2017
Find the total mass and change the mass of each element to a percentage.
Explanation:
The theoretical ratio is
converts this to percentages.
The total is
Mg
O # = 2/5 xx 100 = 40% O
The experimental ratio is
The total is
Mg
O # = 0.4 /0.9 = 44.44% O
There is a experimental error of 7.5% for the percentage composition for Magnesium.