Discuss the ionizes totally in the water
Determine the molarity of a solution made by dissolving th e3.4 g of Ba(OH)2 in the enough water to make 450 mL of solution? Assume that Ba(OH)2 ionizes totally in the water to Ba2+ and OH- ions.
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Students were exam exam with 300 multiple choice questions. The distribution of the scores was normal and mean was 195with a standard deviation of 30.
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We plan on taking random sample of 36 independently selected minutes. Determine the probability that the total number of credit cards processed in this sample would be greater than 100?
If you take a walk on a summer night all along a dark, unpaved road in the woods, having a flashlight pointing at the ground some yards ahead to guide your steps, any water-filled potholes are noticeable as they appear much darker than the surroun
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