Calculate the volume in liters of a 6.9 x 10 mol/L silver(II) oxide solution that contains 25.0 g of silver(II) oxide (AgO). Be sure your answer has the co number of significant digits.
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- A blood concentration of 0.065 M ethyl alchohol is sufficient to induce a coma. Blood alcohol content is a measure of alcohol in the blood as a percentage. It is calculated in grams per 100mL of blood, so a BAC os 0.08 means your blood is 0.08% alcohol by volume. a) What is the total mass of alcohol (in grams) that it represents for the same adult male whose total blood volume is 5.6L? b) What percentage does it represent from the coma induced level?Composite decking is a manufactured substitute for woodcompounded from post-consumer plastic and wood. It isfrequently used in outdoor decks. The density of a particularcomposite decking is reported as 60.0 lb>ft3. What isthe density in kg/L? 259 kg/LGiven the following data forMass of test tube, beaker and cyclohexane = 100.17 gMass of test tube and beaker = 84.07 gFreezing point of cyclohexane = 6.59 oCMass of weighing paper + naphthalene =1.080 gMass of weighing paper = 0.928 gFreezing point solution = 5.11oCKf = 20.8oC/mDetermine the followinga. mass of cyclohexane in g (2 decimal places); _____b. mass of naphthalene in g (4 decimal places); _____c. freezing point depression (2 decimal places); _____d. molality of solution (3 significant figures); _____e. moles of naphthalene (3 significant figures); _____f. molar mass of naphthalene, experimentally (3 significant figures); _____g. % error if theoretical molar mass of naphthalene is 128.17 g/ mole, USE ABSOLUTE VALUE (3 significant figure); ____
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