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.

Note - Since you have asked multiple question, we will solve the first question for you. If you…

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...

See similar textbooks

Similar questions

If 3.0 LL of a 5.2 MM SrCl2SrCl2 solution is diluted to 45 LL , what is the molarity of the diluted solution?
Your group's task is to prepare 100.00 mL of 0.250 M solution of sucrose, C12H2,011. You are to use a balance and a volumetric flask (size of your choosing). You must show ALL WORK for the following questions before you begin. 1) How many moles of sucrose are required? 2) What mass of sucrose is required?
Suppose a 500. mL flask is filled with 0.80 mol of CO, 0.60 mol of CO, and 0.90 mol of H,. This reaction becomes possible: Co(g) +H,0(g) =CO,(g) +H,(g) [+(8)' Complete the table below, so that it lists the initial molarity of each compound, the change in molarity of each compound due to the reaction, and the equilibrium molarity of each compound after the reaction has come to equilibrium. Use x to stand for the unknown change in the molarity of CO. You can leave out the M symbol for molarity. CO H,0 CO, H, initial ? change equilibrium
concentration of the solution. (c) the mass in grams of NiCl2 contained in each liter O. A 12.5% (w/w) NiCl2 (129.6l g/mol) solution has a density of 1.149 g/mL. Caleulate(a) the molar concentration of NiCl, in this solution. (b) the molar CI oncentration of the solution. (c) the mass in grams of NiCl, contained in each liter of this solution. 10- Describe the preparation of (a) 2.50 L of 21.0% (w/v) aqueous glycerol (C.HO: (92.1 g/mol). (b) 2.50 kg of 21.0% (w/w) aqueous glycerol. (c) 2.50 L of 21.0% (v/v) aqueous glycerol. U- Describe the preparation of 900 mL of 3.00 M HNO, from the commercial reagent that is 70.5% HNO, (w/w) and has a specific gravity of 1.42. 12- A solution containing 10.0 mmol CaCl, is diluted to 1 L. Calculate the number of grams of CaCl2. 2H2O per milliliter of the final solution. 13- Calculate the grams of each substance required to prepare the following solutions: (a) 250mL of 0.100 M KOH, (b) 1.00 L of 0.0275 M K;Cr,O, (c) 500ml of 0.0500 M CUSO4. 38 0%…
Calculate the mass percent of a sucrose solution that is made by mixing 5.270 grams of sucrose into water until the solution has a mass of 24.8 grams.
. What is the percentage of water in hydrated copper sulfate, CuSO4.5H2O
What is the molarity of a solution prepared by dissolving 26.2 g of NaNO3 in 500.0 mL of water?
Please answer it all with solutions
300 mL of water is added to a 50 mL solution of 4 M HNO3. What is the final volume of the solution? What is the molarity of the solution at the end?
Suppose a 250. mL flask is filled with 1.0 mol of CO, 0.70 mol of H₂O and 2.0 mol of H₂. This reaction becomes possible: CO(g) + H₂O(g) CO₂(g) + H₂(g) Complete the table below, so that it lists the initial molarity of each compound, the change in molarity of each compound due to the reaction, and the equilibrium molarity of each compound after the reaction has come to equilibrium. Use x to stand for the unknown change in the molarity of CO₂. You can leave out the M symbol for molarity. initial change equilibrium 2 со 0 H₂O CO₂ X H₂ 0 X 5
If 45 mL of water are added to 250. mL of a 0.75 M K2SO4 solution, what will the molarity of the diluted solution be?
nitric acid, HNO3 used in manufacture of fertilizer. A bottle containing 75ml of nitric acid solution is labeled 6M HNO3. 10ml of water are added to the solution. What is the molarity of the resulting solution?