4. Which is more efficient method of separating solids from liquids by filtration or by decantation? Why?5. Write the balanced chemical equation involved in:a) Precipitation: FeCl3(@a + NaOH(a)(e) +(aq)A(agwb) Evaporation:6. What is the chemical composition of the following,a. Eiltrateb. Residue -

4. Filtration is more efficient to separate solid from liquid. If decantation is done , there is a…

Answered: 4. Which is more efficient method of…

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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Hydrochloric acid (11.4 mL of 0.230 M) is added to 279.0 mL of 0.0720 M Ba (OH), solution. What is the concentration of the excess Ht or OH¯ ions left in this solution? Molarity = M Drag and drop your selection from the following list to complete the answer: OH H+
Chromium (III) chloride forms a hexahydrate, CrCl3*6H2O (s). How many grams of CrCl3*6H2O (s) are needed to prepare 250 milliliters of an aqueous solution that is .500 M in Cr3+ (aq)?
A 10.00 mL aliquot of 0.0120 M solution is diluted to 250.00 mL in a volumetric flask. What is the www concentration of the diluted solution?
select answer chocie
You are performing an experiment in lab that involves the titration of 25.0 mL of H2SO4 solution. You titrate the acidic solution with 0.8067 M NaOH and the equivalence point is reached by the addition of 17.31 mL of NaOH solution. Using the balanced equation below, calculate the molartity of H2SO4 in the flask. Do NOT include units. 2NaOH(aq) + H2SO4(aq) --> 2H2O(l) + Na2SO4(aq)
can you please answer the chem questions on the image attached below? i have included another picture for the choices available for first one thank you so very much
Consider the following reaction; 2S2O32- + I2 → 2I- + S4O62- If 10.0 mL of 0.10M S2O32- is needed to titrate a 50.0mL solution containing I2, what is the concentration (mol/L) of I2 in the unknown solution?
2. The reaction between lead(II) nitrate and potassium iodide solution is shown below Pb(NO3)2(aq) + 2 KI(aq) → 2 KNO3(aq) + PbI2 Calculate the mass of lead(II) iodide precipitated when 5.00 cm3 of 4.00 mol dm–3 lead(II) nitrate solution is mixed with 7.50 cm3 of 5.00 mol dm–3 potassium iodide solution. [Mr / g mol–1: PbI2 = 461.01]
KNO3 at 60oC
Suppose the Kc value for Cobalt (II) hexahydrate is 6.80 and suppose upon heating the solution turned pink. If a group of student started mixed 10.5 mL of a 1.25 M [Co(H2O)6]2+(aq) solution with 12.5 mL of a 1.55 M solution of NaCl(aq) with 15.25 mL of a 1.39 M [CoCl4]-2(aq) solution then what color is the solution at equilibrium? [Co(H2O)6]2+(aq) + 4 Cl-(aq) [CoCl4]-2(aq) + 6 H2O(L) Multiple choices pink purple green black orange brown blue colorless yellow gray red green
Predict the products (if any) that will be formed by the reaction below. If no reaction occurs, write NR after the reaction arrow. Be sure to include the proper phases for all species within the reaction. a.) Ni(s) + Hl(aq) → b.) K(s) + Au(NO³)³(aq) → c.) Pt(s) + CrBr³(aq) d.) Ca(s) + LiCl(aq) -
Solubility Curves of Selected Compounds 150 140 130 120 110 100 NANO 90 8 80- * 70 60 NHC 50 40 Náci 30 20 KCIÓ 10 Cez(so, 10 20 30 40 50 60 7O 80 90 100 Temperature (c) The solubility of ammonium chloride at 70 °C is O 34 g/100 g water O 39 g /100 g water O 47 g/ 100 g water O 60 g/100 g water 1 3 4 6 DELL %24 %23 个 COND Grams of solute

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