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Chemistry, 13.10.2020 16:01, amanda2003teddy
The concentration of SO42-(aq) in a sample of river water can be
determined using a precipitation titration in which a salt of Ba2+(aq) is
the standard solution and BaSO4(s) is the precipitate formed. What is
the concentration of SO42-(aq) in a 46.1 mL sample if 7.00 mL of a
0.00100 M Ba2+(aq) solution is needed to precipitate all the SO42-(aq)
in the sample?
M
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Answers: 3
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Chemistry, 22.06.2019 17:30, destineysarah
98 points you will be galileo perform the experiment to determine if objects with different mass fall at the same, or different, rates in the air and in a vacuum. before you conduct your experiment, you need to form a hypothesis. a hypothesis is a prediction of what you think will happen in the experiment. the hypothesis is a statement that describes βifβ a certain set of circumstances are present βthenβ there will be a specific result that will occur. record your hypothesis here: record the results from step one of the experiment (dropping the objects in the air): first trial: second trial: third trial: record the results from step two of the experiment (dropping the objects in a vacuum): first trial: second trial: third trial: did the experiment support your hypothesis? using the data from your experiment, describe why you believe your hypothesis was either proven or disproven. what forces were acting on the objects dropped in the air? what force was acting on the objects dropped in the vacuum? part two: comparing forces choose two forces and compare and contrast these forces. you must provide two ways that they are alike and two ways that they are different. you may make a list, write in paragraph form, or make a chart. choose two forces and compare and contrast these forces. these must be different forces than used in the prior question. provide two ways that they are similar and two ways that they are different. you may make a list, write it out, or make a chart.
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The concentration of SO42-(aq) in a sample of river water can be
determined using a precipitation t...
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