Learning Task No. 4; Use the sample problem as a guide to help you solve the % concentration of your prepared solution. Find the % concentration by mass. Solutions to compute: 1. 450 g flour and 1 L water 2. 500 ml alcohol and 1 L water 3. 300 g rice grains and 540 ml water 4. 450 g sugar and 360 ml coconut milk 5. 50 ml liquid detergent and 250 ml water