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Chemistry, 23.06.2019 09:20
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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The temperature of a lead fishing weight rises from 26 °c to 38 °c as it absorbs 11.3 j of heat. what is the mass of the fishing weight in grams?
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Calcula los moles que hay en 35g de monoxido de carbono (CO) en una reacciom quimica de combustion​...
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