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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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2 HCl + Na2SO4 > 2 NaCl + H2SO4
If you start with 20 grams of hydrochloric acid, how many grams...
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