There is a 20 litres of a solution which has 20% of bleach. Extra bleach is added to it to make it to 50% - Brainly.in
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SOLVED: A hospital uses 25% bleach solution to disinfect the quarantine area. We want to find out how much 10% bleach solution must be mixed with a 50% bleach solution to make
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STERABLEACH 15% CHLORINE BLEACH – 5 LITRES – Chaucer Solutions
