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The following information may be of value: 1 mm Hg - 133.3 N m (Pa) oc - 273.15 K IJ-INm I ml. -1x 10" " R=8314 J mol" K" (to be used when the units of Pare N m, v are m' and T are K) Results Artacid uned (Circle one) First sample 0.050 g Second sample 0.050 g 0.177 g Weight of empty capule p Weight of antacid capule up Weight of antacid used (g) 0.171 g Water level before reaction 48. 15 ml. 48.70 ml 22.85 ml 23.30 ml Water level after reaction Volume of CO: lberated indLI Volume of CO libarated (m) Lab temperatre 20 K Atmospherie pressure (Pal) 765.06 mm Hg PH0 lab temperature 17.5 m He n Hg Demnstra's Initials Calculations Write a balanced equation for ( the reaction of NalICO (which is in peoduct H) with hydrochloric . acid, and () the reaction of CaCOs (in product Q) with hydrochloric acid. Calculations for first sample: (a ) Convert PCO from mm Hg to N mPa Using the ideal gas equation (PV -nRT), calculate the number of moles (nj of CO which wae liberated by reaction of your antacid sample. (hi (e) How many moles of NalCOCaCO ae required to yield this number of moles of CO? (d) What mass (in grams) is this ameunt of NalICOCaCO equivalent to? (e) Calculate the weight percent of NalCo.Caco. in the sample.

The following information may be of value: 1 mm Hg - 133.3 N m (Pa) oc - 273.15 K IJ-INm I ml. -1x 10" " R=8314 J mol" K" (to be used when the units of Pare N m, v are m' and T are K) Results Artacid uned (Circle one) First sample 0.050 g Second sample 0.050 g 0.177 g Weight of empty capule p Weight of antacid capule up Weight of antacid used (g) 0.171 g Water level before reaction 48. 15 ml. 48.70 ml 22.85 ml 23.30 ml Water level after reaction Volume of CO: lberated indLI Volume of CO libarated (m) Lab temperatre 20 K Atmospherie pressure (Pal) 765.06 mm Hg PH0 lab temperature 17.5 m He n Hg Demnstra's Initials Calculations Write a balanced equation for ( the reaction of NalICO (which is in peoduct H) with hydrochloric . acid, and () the reaction of CaCOs (in product Q) with hydrochloric acid. Calculations for first sample: (a ) Convert PCO from mm Hg to N mPa Using the ideal gas equation (PV -nRT), calculate the number of moles (nj of CO which wae liberated by reaction of your antacid sample. (hi (e) How many moles of NalCOCaCO ae required to yield this number of moles of CO? (d) What mass (in grams) is this ameunt of NalICOCaCO equivalent to? (e) Calculate the weight percent of NalCo.Caco. in the sample.

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter5: Gases
Section: Chapter Questions
Problem 1QAP
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I hope to get detailed calculation results and answers,Pic 1 is the lab problems, pic 2 is the premise and requirement of the experiment.Thank you.
The following information may be of value: mm Hg - 133.3 N m (Pa) oc - 273.15 K I ml. -1x 10" m IJ-INm R=8314 J mol" K" (to be used when the units of Pare Nm", Vare m' and Tare K) Results Antacid uned (Circle one) First sample Second sample 0.050 a Weight of empty capsule + op 0.050 g Weight of antacid capule + cup 0.171 g 0.177 g Weight of antacid used g Water level before reaction 48.15 ml 48.70 ml Water lovel after peaction 22.85 ml. 23.30 ml. Volume of CO liberated (ml.) Volume of CO liberatod (m Lab semperature 20 C-LIS K Atmospheric pressure Pal) - 766.06 mm Hg PHO lab temperature 17.5 m Hg PCO N Demnstra's Initials Calculations Write a balanced equation for () the reaction of NalICO (which is in product H) with hydrochlorie acid, and () the reaction of CaCO (in product Q) with hydrochloric acid. Calculations for first sample: 0 Convat PCO from m Hg to N m(Pa) Using the ideal gas oquation (PV nRT), calculate the number of moles (n of CO uhich ware liberated by reaction of your antacid sample. (e) How many moles of NalCOCaCO. are required so yield this number of moles of CO? (d) What mass (in grams) is this ameunt of NalICO.CacO eguivalent te (e) Calculate the weight percent of NadICO.CaCo. in the sample . Demonstrakr's Initials
Transcribed Image Text:The following information may be of value: mm Hg - 133.3 N m (Pa) oc - 273.15 K I ml. -1x 10" m IJ-INm R=8314 J mol" K" (to be used when the units of Pare Nm", Vare m' and Tare K) Results Antacid uned (Circle one) First sample Second sample 0.050 a Weight of empty capsule + op 0.050 g Weight of antacid capule + cup 0.171 g 0.177 g Weight of antacid used g Water level before reaction 48.15 ml 48.70 ml Water lovel after peaction 22.85 ml. 23.30 ml. Volume of CO liberated (ml.) Volume of CO liberatod (m Lab semperature 20 C-LIS K Atmospheric pressure Pal) - 766.06 mm Hg PHO lab temperature 17.5 m Hg PCO N Demnstra's Initials Calculations Write a balanced equation for () the reaction of NalICO (which is in product H) with hydrochlorie acid, and () the reaction of CaCO (in product Q) with hydrochloric acid. Calculations for first sample: 0 Convat PCO from m Hg to N m(Pa) Using the ideal gas oquation (PV nRT), calculate the number of moles (n of CO uhich ware liberated by reaction of your antacid sample. (e) How many moles of NalCOCaCO. are required so yield this number of moles of CO? (d) What mass (in grams) is this ameunt of NalICO.CacO eguivalent te (e) Calculate the weight percent of NadICO.CaCo. in the sample . Demonstrakr's Initials
I het the ar p f elim Bknd .. h er tort stand De ths wha Experiment 3: Quantitative Analysis by Gas Measurement Aim of Experiment To determine the carbonate CO1 content of a commercial antadid preparation Before the Lab • Read the Thoory section below, • Prepare a timeline Theory In this experiment, a welighed sample of antadd compound is reacted wth Gmoll HC to produce carbon dioxide (CO in a closed vesel. The folowing chemical process takes place Antacid KI al + H0+ CO Obily the abene is t a halanced chemical eqution This proce is caried out at mongheric prese and room temperatune. The valume of gan generated in determined by memuring the velume of wate diplacel (pushed den) ing a geing burme. The amount of CO, onnesponding to the mend volume n calculated using the idal law (V RT) The composition of the antacid compound is dedaced fiem this and expresed an either weight of NaCO, or weigt of CcO depending on which of thee the ued aideota The ided gs law is ned as kiles e aleulate the amut of ilerned CO PVRT we wantcallate the number of mles of ten denide prodwed in he retion se we rea the tionthat RT lening this eguion CO, - mde of COo podced on te knen mas of atid PCo, - (Pamsphere - mo is te pre dae to cop epred in N The otal premure ef the new volume of gaoqual to the atmopheric proure. This te onected wing Dae's lew of partial pressres a indicted, for the contribution du te the vapour prere ofwater (Appendis 4 V- nits mtant314JK vue of COghe expreed u T m temperatre,be espreed in kehin (K) 20 Safety: Very oive Eeise edrme care fyou pet an of these on yer sin wah wh copis ams ef water and will lpeni Experimental: NOTE Thisesperiment perormed in pirs an aigned by the laboratory upervi. Each par aanalyne two samples of the ume antacid prodact The fire two steps e setp the gs mering burete andest he wston for leks. This s may tke te mjrity of yoe tine, the esprinents tlemdves are quk Part I: Setting up the gas measuring barette la Waha bohend and damp, mu the 100 l. retion flak ona t sand y e ef burete holden, mount one mring ule on esame stand the mation aer s urine b eng ube r way that athe tubes are dose gther as posible, and te epen ube may be lowerad below the odge of the bench on which you aw working The Sgus below lutrate all th The solution uned te fll the buretes mat be water that has been pre-aturated with co, Veu satd prepere thn ly nding 1 ml. (đipensed by pemp f mel ICI sbt 0 mater ina beaker, flwed ya sl spla of diem carbent. Shake the sation uneil p bubles are ne koger seen e Wih the ruer ung dicomected a he seltion you prepered in ehe open ended meuring ube for the sion leels te beshoun order to ke su thar o air bubbles in in de rbber tubing connecting the buaes s the ubing betwaen yoa fingen Note In some cses the sale for measring solume is en he clesed e, in ethersitis on the openended de -the imperant Part 2: Testing the apparatus for gas leaks 2a Wah the rubber bung sill discometad, aat the meuring ubes so thu the solution level is ner the butom of the cloned mauring tube and ner the toe of the open ue Hace the hung and cometing in e tin ak igre Raie the open ube unl the olution leel abot 20 cmhigheran thatthe ceed teFie aHe bung in place Ruter hung damp Rt ad Opn Figure Set-up for leak testing Figen 2 Leak e 2 Read the poution of the menisc on the mring wale and speat this adang ater 3minutes Ihe twe readi der by han there ina le hat mt he fined See your demonsater, whe will lelp you fin the lek mey be acoring e nber ung is cacked e sie gee Menius readings ukm mites apat sld be repeted unil the two wading ape to within 2 mm When they de then the appurata in ficimty lek fre thet it may be uned for the meanurement of the volume of caten dinide prodaced in de chemical retion Part 3: Sample preparation la Atacid miures ae provided Pik e Working in pairs, dents will anlyse this twice The miue has the llowing stad compostion (weight peront Predurt compaiten Prudeo Scompitin NCO, 753 CaCO ose 197 kain 19 Mg i 19 19 peppemi 042-11 permi saed dune tsatod
Transcribed Image Text:I het the ar p f elim Bknd .. h er tort stand De ths wha Experiment 3: Quantitative Analysis by Gas Measurement Aim of Experiment To determine the carbonate CO1 content of a commercial antadid preparation Before the Lab • Read the Thoory section below, • Prepare a timeline Theory In this experiment, a welighed sample of antadd compound is reacted wth Gmoll HC to produce carbon dioxide (CO in a closed vesel. The folowing chemical process takes place Antacid KI al + H0+ CO Obily the abene is t a halanced chemical eqution This proce is caried out at mongheric prese and room temperatune. The valume of gan generated in determined by memuring the velume of wate diplacel (pushed den) ing a geing burme. The amount of CO, onnesponding to the mend volume n calculated using the idal law (V RT) The composition of the antacid compound is dedaced fiem this and expresed an either weight of NaCO, or weigt of CcO depending on which of thee the ued aideota The ided gs law is ned as kiles e aleulate the amut of ilerned CO PVRT we wantcallate the number of mles of ten denide prodwed in he retion se we rea the tionthat RT lening this eguion CO, - mde of COo podced on te knen mas of atid PCo, - (Pamsphere - mo is te pre dae to cop epred in N The otal premure ef the new volume of gaoqual to the atmopheric proure. This te onected wing Dae's lew of partial pressres a indicted, for the contribution du te the vapour prere ofwater (Appendis 4 V- nits mtant314JK vue of COghe expreed u T m temperatre,be espreed in kehin (K) 20 Safety: Very oive Eeise edrme care fyou pet an of these on yer sin wah wh copis ams ef water and will lpeni Experimental: NOTE Thisesperiment perormed in pirs an aigned by the laboratory upervi. Each par aanalyne two samples of the ume antacid prodact The fire two steps e setp the gs mering burete andest he wston for leks. This s may tke te mjrity of yoe tine, the esprinents tlemdves are quk Part I: Setting up the gas measuring barette la Waha bohend and damp, mu the 100 l. retion flak ona t sand y e ef burete holden, mount one mring ule on esame stand the mation aer s urine b eng ube r way that athe tubes are dose gther as posible, and te epen ube may be lowerad below the odge of the bench on which you aw working The Sgus below lutrate all th The solution uned te fll the buretes mat be water that has been pre-aturated with co, Veu satd prepere thn ly nding 1 ml. (đipensed by pemp f mel ICI sbt 0 mater ina beaker, flwed ya sl spla of diem carbent. Shake the sation uneil p bubles are ne koger seen e Wih the ruer ung dicomected a he seltion you prepered in ehe open ended meuring ube for the sion leels te beshoun order to ke su thar o air bubbles in in de rbber tubing connecting the buaes s the ubing betwaen yoa fingen Note In some cses the sale for measring solume is en he clesed e, in ethersitis on the openended de -the imperant Part 2: Testing the apparatus for gas leaks 2a Wah the rubber bung sill discometad, aat the meuring ubes so thu the solution level is ner the butom of the cloned mauring tube and ner the toe of the open ue Hace the hung and cometing in e tin ak igre Raie the open ube unl the olution leel abot 20 cmhigheran thatthe ceed teFie aHe bung in place Ruter hung damp Rt ad Opn Figure Set-up for leak testing Figen 2 Leak e 2 Read the poution of the menisc on the mring wale and speat this adang ater 3minutes Ihe twe readi der by han there ina le hat mt he fined See your demonsater, whe will lelp you fin the lek mey be acoring e nber ung is cacked e sie gee Menius readings ukm mites apat sld be repeted unil the two wading ape to within 2 mm When they de then the appurata in ficimty lek fre thet it may be uned for the meanurement of the volume of caten dinide prodaced in de chemical retion Part 3: Sample preparation la Atacid miures ae provided Pik e Working in pairs, dents will anlyse this twice The miue has the llowing stad compostion (weight peront Predurt compaiten Prudeo Scompitin NCO, 753 CaCO ose 197 kain 19 Mg i 19 19 peppemi 042-11 permi saed dune tsatod
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