V. ACTIVITIES/PERFORMANCE TASKS ACTIVITY 1: PERCENTAGE MASS Directions: Study the given problems and solve what is being asked for. 1. A solution contains 5 grams of salt and 195 grams of water. A. How many grams of solution are present? Show your solution. B. What is the percent by mass concentration of the solution? Show your solution. 2. A sugar solution has a mass of 500 grams. The solution contains 200 grams of sugar. A. How many grams of water is used in the solution? Show your solution. B. What is the percent by mass concentration of the solution? Show your solution. 3. Sodium acetate is a compound that readily dissolves in water. How much sodium acetate should you used in 135 grams of water to produce a 25% solution? ANSWER WITH SOLUTION: Volume of solution ACTIVITY 2 PERCENTAGE VOLUME Directions Complete the given table. Volume of solute Volume of solvent (Isopropyl Alcohol) (Water) 60 ml 25 m 175 ml 8 ml Concentration (Percent by volume) 50 ml 250 ml 400 ml 70 % 376 ml SHOW YOUR SOLUTONS: Answer the following questions briefly. 1. In this time of pandemic which concentration is best to buy? Why VI. ASSESSMENT/EVALUATION A.WORD MATCH Directions: Match the statements described in column A to the words in column B. Write the letter of your answer on the space provided. LETTER OF COLUMN A YOUR ANSWER COLUMN B It contains small amount of dissolved solute in a given 0. solvent​