Question

How to calculate the mass per cent of different elements?

Answer 1

Answer:

mass%=massof element ÷total mass

Explanation:

for eg

let x y and z be 3 elements whose mass% u want to calculate then

mass%of x=massof x÷mass of x+mass of y + mass of z

similarily you can calculate mass of y and z

HOPE IT HELPED YOU

Answer 2

Answer:

Explanation:

% mass = (mass of element in 1 mole of the compound) / (molar mass of the compound) x 100%

mass percent = (mass of solute / mass of solution) x 100%

Solution.

Answer.

Step 1: Find the mass of the individual atoms.

Step 2: Find the number of grams of each component make up one mole of CO2.