Chemistry, 25.11.2021 14:10 chloeconlon2014
Calculate the number of moles of sodium carbonate Na2CO3 in 250cm3 of H
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Seawater contains approximately 3.5%nacl by mass and has a density of 1.02 g/ml. what volume of seawater contains 7.5 g of sodium?
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How many liters of oxygen gas, at standard temperature and pressure, will react with 35.8 grams of iron metal? 4 fe (s) + 3 o₂ (g) → 2 fe₂o₃ (s)
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Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules
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Calculate the number of moles of sodium carbonate Na2CO3 in 250cm3 of H...
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