Percent Concentration by Mass
What is the percent concentration of 55.0g of KI into 350g of H2O?
% = 55.0 KI / 350+55 x 100 = 13.6 %
What mass of water is required to make 1500 grams of 5.00% potassium hydroxide?
5.00% / 100 = ?g / 15.00 x 100 / 100
(.05)1500 = 75 1500-75 = 1425g H2O
What is the percent concentration of 55.0g of KI into 350g of H2O?
% = 55.0 KI / 350+55 x 100 = 13.6 %
What mass of water is required to make 1500 grams of 5.00% potassium hydroxide?
5.00% / 100 = ?g / 15.00 x 100 / 100
(.05)1500 = 75 1500-75 = 1425g H2O