A50.51g sample of a compound made from phosphorus and chlorine is decomposed. analysis of the products showed that 11.39 g of phosphorus atoms were produced. answer using three significant figures. what is the percent by mass of phosphorus? % what is the percent by mass of chlorine? %

Ans: P = 22.5% and Cl = 77.5%

Given:

Total Mass of sample containing P and Cl = 50.51 g

Mass of P produced = 11.39 g

To determine:

Mass % of P and Cl

Explanation:

Mass % of a given element in a total mass is generally expressed as:

Mass % of element = [mass of element/total mass]*100

Here,

Total mass = mass of P + mass of Cl

mass of Cl = Total - mass of P = 50.51-11.39 = 39.12 g

% P = [11.39/50.51]*100 = 22.5%

%Cl = [39.12/50.51]*100 = 77.5%

Mass percentage of phosphorus is 22.54%and mass percentage of chlorine is 77.46%.

Explanation:

Mass of the compound = 50.51 g

Mass of phosphorus atoms produced = 11.39 g

According to law of conservation of mass.

Mass of phosphorus atoms and chlorine atoms = Mass of the compound

Mass of the phosphorus = 50.51 g

Percentage of Phosphorus:

Percentage of Chlorine:

Mass percentage of phosphorus is 22.54%and mass percentage of chlorine is 77.46%.

water and alcohols have similar properties because water molecules contain hydroxyl groups that can form hydrogen bonds with other water molecules and with alcohol molecules, and likewise alcohol molecules can form hydrogen bonds with other alcohol molecules as well as with water.