Chemistry, 20.10.2021 19:00 Keekee9847
A student was given a white powdered solid unknown sample mixture made-up of sodium carbonate and sodium hydroxide. He took 0.3721 g of dissolved in 250.0 mL distilled water. In each trial he took 50.00 mL of unknown sample solution and conducted double titration as shown in the videos against 0.1000 M HCl. He did 5 trials and his results are given below:
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The concept of empiricism states that all rationally accepted knowledge is determined from experience. francis bacon was one of the first scientists to promote this theory. what was it’s impact on society?
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How many miles of water are produced if 5.43 mol pbo2 are consumed
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Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]
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