Calculate the percentage composition of oxygen, nitrogen and calcium in Calcium nitrate
Given : Atomic weight of O = 16u, Ca = 40u, N = 14u
Step 1: Given data
Atomic weight of O = 16u, Ca = 40u, N = 14u
Step 2: Finding the mass for the given data
The molecular mass of
The molecular mass of
The molecular mass of
Step 3: Finding the mass for each element
Mass of
Mass of
Mass of
Step 4: Finding the % composition
% composition is the proportion by mass of each element present in a compound.
% composition of
% composition of
% composition of
Thus, the percentage composition of oxygen, nitrogen and calcium in Calcium nitrate