Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question
Write the net ionic equations for the reaction with OH- by which
a) Al3+ forms a complex ion
b) Al(OH)3 dissolves
c) Fe3+ forms a precipitate
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- 4. The concentration of a NaOH solution is determine by using the solution to titrate a sample of potassium hydrogen phthalate (C8H5O4K, M = 204.22 g/mol). In the titration 34.67 mL of NaOH solution is required to react with 0.1082 g C8H5O4K to reach the equivalence point. a) Calculate the concentration of the sodium hydroxide solution. Potassium hydrogen Phthalate = 0-10829, Molar mass of KMP=204-22 Hales of KMP = Mass 0.10829 g/mol Mm 6.000529 mal 204229/Mal Concentration of NaOH = Males = = of volume of Naot (L) = 0-000529 mal 34-67 mе onl ها NaOH (mal) = 0.000015258 mal/L 0.015M b) This solution of sodium hydroxide is used for another titration. A sample of 10.0 mL of HCI is neutralized using 22.1 mL of sodium hydroxide solution. Calculate the concentration of the HCI solution. sodium hydroxide 222.1 ml, Nal100arrow_forwardSilver chromate is sparingly soluble in aqueous solutions. The ?sp of Ag2CrO4 is 1.12×10−12 M^3 What is the solubility (in moles per liter) of silver chromate in a 1.10 M silver nitrate aqueous solution? M=arrow_forwardSuppose you are asked to determine the identity of a white solid. When you add water to the white solid, it dissolves and forms a clear solution. When you add a solution of Na, SO,, a white precipitate forms. Add Add H,O Na,SO, Determine the identity of the original solid. O PBCI, O MgCl, O ZNCI, O CaCl,arrow_forward
- When a 8.000 g of mineral ore sample containing Sn(CO3)2 (238.7 g/mol) and other inert material was reacted with excess HCl solution and the liberated CO2 was bubbled through an excess solution of Ca(OH), (74.0 g/mol); the mass of precipitated CACO, (100.0 g/mol) was 0.7800 g. The percentage Sn(CO3)2 in sample is? 1. O11.64 % 2. O16.71 % 3. 044.14 % 4. O23.27 % Previous Next üall lis ضباب hparrow_forwardWhat mass of NaOHNaOH is needed to precipitate the Cd2+ ions from 30.0mL of 0.500 M Cd(NO3)2 solution?arrow_forwardMetal ions can be separated from a mixture by a selective precipitation. The technique involves adding a series of aqueous solutions that will selectively precinitate one of the fons A solution X contains the following substances given in the schematic representation: KNO: (al • Pb(NO1)2 (a • Cu(NOa)2 () • Ba(NO3)z (a KNO, Ba(NO,)ı (aq SOLUTION X The following solutions given below added to SOLUTION X senerntely and also in the given order: KCI () K.SO () K:CO ta a) Show that after the addition of all the solutions listed above will leave only one substance in the solution (not precipitated) and name that substance. b) Write the balonced molecular eanation and net-lonie equation for the reactions occuring after the addition off each solutions to the SOLUTION X.arrow_forward
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- Calculate the number of milliters of 0.408 M Ba(OH)2 required to precipitate as Mg(OH)2 all of the Mg2+ ions in 178 mL of 0.697M MgBr2 solution.arrow_forwardCis soluble in water and in nitric acid HNO3. It does not give a precipitate with Ba(NO3)2 solution but gives a precipitate with AgNO3 solution and the precipitate is not soluble in any strong acid. When solid C is heated, white smoke is observed. C SOLUBILITY RULES Solubilities of ionic substances in water: 1) All salts of Na*, K*, NH4+ are soluble in water. 2) All salts of NO;, CH;CO0- (C2H302) are soluble in water. 3) All salts of Clr, Br, I are soluble in water (except Agt, Pb2-, Hg,2+) 4) All salts of SO,2- are soluble in water ( except Ba2+, Pb2-, Sr2+) so,2- of Ca2+, Ag*, Hg22- are slightly soluble in water. 5) All salts of CO;2, PO- are insoluble in water (except Na*, K*, NH4*) 6) All salts of S2- are insoluble in water ( except Na*, K*, NH, Ba2+ Ca2+, Mg2+, Sr2-) 7) All salts of 02-, OH- are insoluble in water ( except Na", K*, NH4*, (Ba2-)) OH of Ca2+, Sr2-, (Ba2+) are slightly soluble in water OH of Mg?- is very very slightly soluble water STRONG ACIDS STRONG BASES HCI LIOH…arrow_forwardCan you explain to me how to find the ions from the chemical equation and when to know the possible precipitatearrow_forward
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