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The mr of sodium hydroxide is 40. How many grams of sodium hydroxide are there in 25 cm3 of a 0.5 M solution
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You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning
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Given sno2 + 2h2 - sn + 2h20 tin oxide reacts with hydrogen to produce tin and water. how many moles of sno2 are needed to produce 500.0 grams of sn?
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Achemist has dissolved a certain substance in water. the chemist knows that more of the substance could be dissolved into the water before it stops dissolving. therefore
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12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer
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The mr of sodium hydroxide is 40. How many grams of sodium hydroxide are there in 25 cm3 of a 0.5 M...
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