A solution is prepared by dissolving 83.45 grams of potassium bicarbonate (KHCO3) in 524.6 gramsof waterto Calculate the mass percent potassium bicarbonate in the solution.% KHCO3• If the density of the solution is 1.24 g/mL, what is the molarity of the solution?M KHCO3Write just the numerical answer with proper sig figs (no units) and do not put it in scientific notation.Make sure to record and submit the full work with units and sig figs in the separate file labeled exam4 work. If an ice cube tray holds 325 g of water, and the water is initially at 25.0°C, how much heat (in kJ)must be removed in order to cool the water to 0.0°C and then freeze it? (remember to put thetorrect sign (+ or -) if the energy is endothermic or exothermic on your numerical answer)Specific heatPhase transitionsH2O(liq) = 4.184 joule/g°CAHvap = 2260 joule/gH2O(gas) = 1.84 joule/g°C;AHFUS = 334 joule/g%3DH2O(solid)2.09 joule/g°C%3DWrite just the numerical answer with proper sig figs (no units) and do not put it in scientific notation.Make sure to record and submit the full work with units and sig figs in the separate file labeled exam4 work.

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A solution is prepared by dissolving 83.45 grams of potassium bicarbonate (KHCO3) in 524.6 grams of water to Calculate the mass percent potassium bicarbonate in the solution. % KHCO3 • If the density of the solution is 1.24 g/mL, what is the molarity of the solution? M KHCO3 Write just the numerical answer with proper sig figs (no units) and do not put it in scientific notation. Make sure to record and submit the full work with units and sig figs in the separate file labeled exam 4 work.

A solution is prepared by dissolving 83.45 grams of potassium bicarbonate (KHCO3) in 524.6 grams of water to Calculate the mass percent potassium bicarbonate in the solution. % KHCO3 • If the density of the solution is 1.24 g/mL, what is the molarity of the solution? M KHCO3 Write just the numerical answer with proper sig figs (no units) and do not put it in scientific notation. Make sure to record and submit the full work with units and sig figs in the separate file labeled exam 4 work.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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