MasteringChemistry. CH 14 HW Acids and Bases-Google Chrome https//session.master

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MasteringChemistry. CH 14 HW Acids and Bases-Google Chrome https//session.masteringchemistry.com/myct/itemView?offset-next&assignmentProblemID-63963421; Summer 2016-1) CHM2025: INTRO TO COLLEGE CHEMISTRY 170 (.. Exercise 14 28 Exercise 14.28 Part A If the Stration of a 33.0 mL. sample of acetic acid requires 35.30 mL of 0 170 M calcium hydroxide what is the molarity of the acid? Express your answer to three significant figures and include the appropriate units. Value Units Submit My Answers Gre U

Explanation / Answer

2CH3COOH + Ca(OH)2 -------> Ca(CH3COO)2 +2 H2O

2 moles           1moles

CH3COOH                                                                Ca(OH)2

M1 =                                                                     M2 = 0.17M

V1   = 33ml                                                             V2 = 35.3ml

n1 = 2                                                                   n2   =1

M1V1/n1        =   M2V2/n2

M1                 = M2V2*n1/n2*V1

                     = 0.17*35.3*2/1*33   = 0.363M >>>> answer

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