SOLUTION: how many milliliters of water must be added to 100ml of 75% sodium bicarbonate solution to produce 65% solution?

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Question 942103: how many milliliters of water must be added to 100ml of 75% sodium bicarbonate solution to produce 65% solution?
Answer by Alan3354(69443) About Me  (Show Source):
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how many milliliters of water must be added to 100ml of 75% sodium bicarbonate solution to produce 65% solution?
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Add x mls
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100*75 + x*0 = 65*(100 + x)