SOLUTION: 1-HOW MUCH 5% ALCOHOL MUST BE MIXED WITH 10% ALCOHOL TO GET 2000ml OF 6% ALCOHOL?
2- HOW MUCH PURE ACID MUST BE MIXED WITH 50 LITERS OF 20% ACID TO GET 30% ACID?
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-> SOLUTION: 1-HOW MUCH 5% ALCOHOL MUST BE MIXED WITH 10% ALCOHOL TO GET 2000ml OF 6% ALCOHOL?
2- HOW MUCH PURE ACID MUST BE MIXED WITH 50 LITERS OF 20% ACID TO GET 30% ACID?
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Question 316085: 1-HOW MUCH 5% ALCOHOL MUST BE MIXED WITH 10% ALCOHOL TO GET 2000ml OF 6% ALCOHOL?
2- HOW MUCH PURE ACID MUST BE MIXED WITH 50 LITERS OF 20% ACID TO GET 30% ACID? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! (1)
Let = ml of 5% alcohol needed
Let = ml of 10% alcohol needed
given:
(1) ml
(2)
Multiply both sides of (1) by and
subtract from (2)
(2)
(1)
and, since
(1)
1600 ml of 5% alcohol and 400 ml of 10% alcohol must be mixed
