Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Transcribed Image Text:A student sets up the following equation to convert a measurement.
(The ? stands for a number the student is going to calculate.)
Fill in the missing part of this equation.
3 mol
kg
-4.8 x 10
mol
ロ・ロ
X
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- Use the data below to determine the Molarity of KMnO4 to THREE decimal places. (MM sodium oxalate = 134 g/mol) mass of sodium oxalate (g) 0.099 initial buret reading (mL) 0.44 final buret reading (mL) 16.64 Type your answer...arrow_forwardThe following graph was created to determine the relationship between density and concentration of sugar solutions If it is found that 5.00 ml of a sample has a mass of 6.083 g, what is the density of the sample in g/mL?arrow_forward5. How would the following errors affect the empirical formula for the compound? a. The student ran out of time and did not do the second heating. Explain how this error will affect the calculation for the number of moles of water in the hydrate? Will the final answer be artificially high or low? How do you know? b. The student recorded the mass of the cup + sample incorrectly and started with 2.2 g of hydrated compound but used 2.0 g in the calculations. Explain how this error will affect the calculation for the number of moles of water in the hydrate? Will the final answer be artificially high or low? How do you know? BI U = E T O Word(s)arrow_forward
- 0.332 mL of 51.72 M of aqueous NaOH solution is diluted to a volume of 482.2 mL. What is the molarity of the diluted solution? Assume that all of the values have at least three significant units.arrow_forwardA solution of CaCl2 in water forms a mixture that is 37.5% calcium chloride by mass. If the total mass of the mixture is 551.7 g, what masses of CaCl2 and water were used? mass of CaCl2: mass of water:arrow_forwardSuppose 9.67g of sodium chloride is dissolved in 100.mL of a 0.50M aqueous solution of potassium carbonate. Calculate the final molarity of chloride anion in the solution. You can assume the volume of the solution doesn't change when the sodium chloride is dissolved in it. Round your answer to 3 significant digits.arrow_forward
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