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Solution A contains 30g of acid in 500cm3 of water and solution B contains 15g of acid in 250cm3 of water. Which one is more concentrated? Show your working
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Asolution of naoh has a concentration of 25.00% by mass. what mass of naoh is present in 0.250 g of this solution? use the periodic table in the toolbar if needed. 0.0625 g what mass of naoh must be added to the solution to increase the concentration to 30.00% by mass? g
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Solution A contains 30g of acid in 500cm3 of water and solution B contains 15g of acid
in 250cm3 of...
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