Question 18 5 pts [Formula Question] No Time (minute) Initial Sample Mass (g) Sample Mass after heating (g) 1 15 18.94 17.56 2 30 17.56 16.45 3 3 45 16.45 15.49 4. 60 15.49 14.85 5 75 14.85 14.85 6 90 14.85 14.85 The table above is the result of a gravimetric experiment to determine the water content of the filtered cake. The mass of the empty cup used is 7.20 g. Calculate the water content (% mass) in the cake. Note: Answer is written in 2 decimal points without unit and use dot symbol (.) to separate decimal point