Chemistry, 23.06.2019 09:20 goldwinner300

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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Asolution of naoh has a concentration of 25.00% by mass. what mass of naoh is present in 0.250 g of...