A 3-component mixture of compounds A, B, and C (5.000 g) was separated by filtration, extraction, and evaporation to yield 0.462 g of A, 2.358 g of B, and 1.612 g of C. What is the % composition of compound C (relative to the sum of all recovered masses)? Report your answer to two decimal places without the % symbol.
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A 3-component mixture of compounds A, B, and C (5.000 g) was separated by filtration, extraction, and evaporation to yield 0.462 g of A, 2.358 g of B, and 1.612 g of C. What is the % composition of compound C (relative to the sum of all recovered masses)?
Report your answer to two decimal places without the % symbol.
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- A student was able to separate the three components of a mixture via liquid chromatography. She obtained 1.27 g1.27 g of component A, 0.950 g0.950 g of component B, and 0.260 g0.260 g of component C. Determine the mass percent of each of the three components in the mixture.Mass of Empty Beaker is 141.2g, Beaker + Water is 388.3g, mass of water is 247.1g, volume of water is 0.2471mL, calculate volume H2=Volume displaced waterI am trying to ascertain the density of 0.9-M HCl. The book provides a density of 1.0-M HCl as 1.016g/mL. I know the Molecular Weight aka Molar Mass is 36.46g/mol I also know that the equation to calculate the density in this instand is: Density=(Molarity x Molecular Weight)/WeightI have found examples online, and one answer provided here that shows the Density of 0.9-M HCl is 0.9115g/mL. That answer was arrived at as follows:Density = (0.9M x 36.46g/mol)/36 = 32.814/36 = 0.9115g/mL My problem is that I don't understand where the 36 came from for "weight", and I need to be able to show all unit measurements for each step. So my issue has 2 parts: 1) How was the Weight value determined to be 36 (I need to see the formula)2) Where in the step-by-step process is mL in there so that after all cancellations/conversions are completed, the only remaining units are g/mL to show how 0.9115g/mL was arrived at.
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- The Olympic swimming pool in Tokyo holds 3750 cubic meters [m^(3)] of water. To keep the water safe for athletes, the molarity of chlorine in the water is maintained at 56 micromole per liter [(mu mol)/(L)]. Chlorine has a molecular weight of 35.4 grams per mole [(g)/(mol)]. Assuming the pool was initially filled with pure water, determine the mass of chlorine added to the pool in units of grams [g]. Use an appropriate SI prefix to report the answer such that 1, 2, or 3 digits appear to the left of the decimal.Suppose that in a gravimetric analysis, you forget to dry the filter crucibles before collecting precipitate. After filtering the product, you dry the product and crucible thoroughly before weighing them. Is the apparent mass of product always high or always low? Is the error in mass systematic or random?In the production of a bottled alcoholic mudslide, 3 ingredients are mixed together and bottled: Stream A: Vodka (41.17% ethanol, the balance is water) Stream B: Coffee liqueur (17.10% ethanol, 1% coffee solids, the balance is water) Stream C: Irish cream liqueur (17.82% ethanol, 21.05% sugar, 14.05% cream fat, the balance is water) The product needs to contain 24.49% ethanol and 6.48% sugar for it to qualify as a mudslide. If your target production is 328 kg/d, how much coffee liqueur is needed?