One method of de ter minin)the concentration of hydrosenperoxide CH 202) ina slutions thraush ttration FEtea withThe net ibnicequatich for thisi odinejon.reaction 1H 202 +21- t 2H t-712+2H20A 50.00mL sample ofahy oogen peroxide solution isfound to react completelywith 37. 12mL ok a 0.1500 M Fl solotion.whetisthe concentration?C) 0- 22 2フd.J 0.404)Mb)SS68 x10- 2M )カ-i114MC) 0.1010M

Volume of H2O2 = 50 mL = 0.050 L Molarity of KI = Molarity of I- = 0.1500…

One method of de ter minin the concentration of hydrosen poroxide CH 202) ina sdutioh is thrush ttration a with i odine jon.The net ionic equation for this reaction 1 H 202 +21- + 2H+-712+2H20 A 50.00mL sampl ofa hy owsen penoxide solutions found to react campletely with 37.122mL ok a 0. 1500 M Fl solotion. whet is the concentrati on? d)o404IM C.) 0.22 27M DY b)S568 x10- 2M )か114M C) 0.1010M

One method of de ter minin the concentration of hydrosen poroxide CH 202) ina sdutioh is thrush ttration a with i odine jon.The net ionic equation for this reaction 1 H 202 +21- + 2H+-712+2H20 A 50.00mL sampl ofa hy owsen penoxide solutions found to react campletely with 37.122mL ok a 0. 1500 M Fl solotion. whet is the concentrati on? d)o404IM C.) 0.22 27M DY b)S568 x10- 2M )か114M C) 0.1010M

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter13: Titrations In Analytical Chemistry

Section: Chapter Questions

Problem 13.12QAP

See similar textbooks

Similar questions

The equilibrium constant for the reaction 2CrO42+2H+Cr2O72+H2O is 4.2 1014. The molar absorptivities for the two principal species in a solution of K2 Cr2 O2 are Four solutions were preparedby dissolving 4.00 10-4, 3.00 10-4, 2.00 10-4,and 1.00 10-4 moles of K2 Cr2 O7 in water and diluting to 1.00 L with a pH 5.60 buffer. Derive theoretical absorbance values (1.00-cm cells) for each solution and plot the data for (a) 345 nm, (b) 370 nm, and (c) 400 nm.
Riedick the pr ducts/ifany that will be fomes bu Me gE no reachion dccurs, yeachion below woite R azter the geaction arrow 1+ AlCs) -y e praducts/if nay) d by-the neachion belain E no reachion Occurs , Warit Bredict the that will be forme Nh arter the renchion arrow reachin Colalag)t Mals)- t ー7 Bodict the products (if any) that will be forimed be the genchion below. na reachon Dccurs, write NR the reachin arrow axter PtClala9)+Mn(s)
Suggest an officent nytess for the fol ng ranseer aDMSO (dimetlyt lfonide) DMS (dimetyt lfide) 1) NaOE 3JDMS (dimethyt ulfide) 1) NaOEr 2)KMnO4 3)DMSO (dimethyl sulfoxide)
73 Al ihe school ey decided to adt sodum carbonae (NaCOJ tohe sampled wster in the school tankin order to restore he sttavalue close to The balanced equartion for the reaction is Na,Co.e) + 2HC (ag - 2Nac (ag • H0()• co; (al 731 Calcuate the mass of sodum cartonate (Na,CO.) required to neutralize each 1 dm' of the sample water 732 Ater the neutralization. the water tasted saty. Give a reason for the saly taste of the water Refer to the equation above.
E 50 um? of 6-2 moldni3 Solution Na, (o3 was dileted usith distilled weeter to obtain f 250 cm3 Sorlution, what world be the Con ien trei blum f Sbuution? the resulbing of
et Hes proce: 51.) A, Commaon demonstration in chemisty courses invohes odd ing a tiny epeck of manganere (IV) 'oxicle to a coceptng hyd rogen peroxide is unstable, and it decomposes quite" spectaculurly under tuse cond Aions to produce Oxy gen gas + steam (water vapor). Manganese (D) oxiçle 18 d cufa lyst for the decomposition of hygdrgen peroxide Ond is not consumed in h reaction. Write te balanccel equation for the decompostion renchon of hydcaen pruxide. tiny speck
How -How mony molecwles of gas re produced when sulfuric acid is placed in 9 containing chromium metal. (Assumthe reaction goesto completion). DO M1 203 M none of these -What spectator in is present when solutions of ommanium perchlrate od strontium hydroxide are pered in a beako? NammoniumN ammania s perchlorale ahyaroxide none oL tHese ohydroxide s none of these -When heptond (CaHi5 0H) burns how many wate vapar modecules ore in is 14 015 16 o 14 o hone f tHese
Calc ulatetheconcantrationoF Potassiamioningrans Perliterof termixing loomlof0.250M Kel n 20oml of o loo M K 2Soa (atonic weight k 37-1ms(ma)
Chromium of ten ir electoplated me tals on the and even plorticr to prodrce a uhiny metallic oppearante How mang groME (ct- 994 g lmol) 年 chromium Would plate out 10 ampu are paared through C (Nos)s when of cunent ro1tion of 5.36 hours? the electroly tic cel for
A l.00ml alıquot of fish od was andyud for N using the kieldahl methad: After chqashim, the dishilled ammania colleeted in 10onlof 0:0503 M Hl. The excess Hl requied 28.3 ml of o.124M NgoH for titratin. amount Cale the ofN in the sconle of fish oil as mglm KJE LDAHL METHOD)
Predict the products of each of the following reactions. (Note: In addition to using the information in this chapter, also use the knowledge you have accumulated at this stage of your study, including information on the reaction of reaction products.) (a) Fe(s)+H2SO4(aq) (b) FeCl3(s)+NaOH(aq) (c) Mn(OH)2(s)+HBr(aq) (d) Cr(s)+O2(g) (e) Mn2O3(s)+HCl(aq) (f) Ti(s)+xsF2(g)
The Ostwald process for the commercial production of nitric acid involves the following three steps: 4NH3(g)+5O2(g)4NO(g)+6H2O(g) 2NO(g)+O2(g)2NO2(g) 3NO2(g)+H2O(l)2HNO3,(aq)+NO(g) a. Which reactions in the Ostwald process are oxidationreduction reactions? b. Identify each oxidizing agent and reducing agent.