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Name: Section: Score: periment 4 Experiment 4 Prelab Assignment 1. What basic physical law is applied...
Vitamin C Analysis Lab Prelab Quiz Name: Section: 1. In today's experiment, 25 mg of vitamin...
Vitamin C Analysis Lab Prelab Quiz Name: Section: 1. In today's experiment, 25 mg of vitamin c (176 g/mol) reacted completely with 30 mL of iodine solution. Volume of vitamin c solution containing 25 mg of vitamin e was 25 mL C&H&Os (aq)+ 2HI (aq) I2 (aq)+ CeH&Os (aq) a. Calculate moles of vitamin c in 25 mg Imal o4 n C 1967/016 b. Calculate the molar concentration of vitamin c
Your ticket will appear here once you na ve correctly ans w ered an or ше реао quesuon. Prelab for Experiment 6-...
Your ticket will appear here once you na ve correctly ans w ered an or ше реао quesuon. Prelab for Experiment 6- Titration of an Unknown Acid In this prelab, answers to questions l and 2 should be reported toateastisennoantngurs Scientific notation format 2.34E 4. The 'E' must be capitalized." The prelab questions mirror those that you will be doing at the end of the experiment. Bring your work for this prelab assignment to lab and you will have a...
need a-g LAB VII. PRACTICE PROBLEMS NAME: SECTION: PART D. CHAPTER 4 PROBLEMS I) Reaction Stoichiometry,...
need a-g
LAB VII. PRACTICE PROBLEMS NAME: SECTION: PART D. CHAPTER 4 PROBLEMS I) Reaction Stoichiometry, Limiting Reactant, Theoretical and Percent Yields a) For the equation Cu + C → Cu + Co, if 2.73 moles of C are reacted with an excess of Cu20, how many moles of CO would be produced? moles b) For the equation Co(NO3)3 + (NH4)2S → Co2S3 + NH4NO3, if 79.2 g of Co(NO3)3 are reacted with an excess of (NH4)2S, how many moles...
Analysis of Vinegar EXPERIMENT NAME SECTION DATE POSTLABORATORY ASSIGNMENT 1. A standard nitric acid solution is...
Analysis of Vinegar EXPERIMENT NAME SECTION DATE POSTLABORATORY ASSIGNMENT 1. A standard nitric acid solution is prepared using 0.425 g of sodium carbonate, NaCO3. Find the molarity of the acid if 33.25 mL are required to reach a permanent endpoint. 2 HNO, (aq) + Na2CO3(s) + 2 NaNO3(aq) + H2O(l) + CO2(g) 2 H OT 2. A 10.0-ml sample of household ammonia solution required 27.50 mL of 0.241 M HNO3 for neutralization. Calculate (a) the molar concentration of the ammonia...
Need help on this. Thank You! CHEM 1405 - Experiment 7: Reaction Stoichiometry 15 Name: Section:...
Need help on this. Thank You!
CHEM 1405 - Experiment 7: Reaction Stoichiometry 15 Name: Section: Date: Report Sheet: Pre-lab Questions (pay attention to significant figures) Q1. Complete the following table. Name Formula No. of atoms of each element represented in the formula Mass of one mole of the substance (6x12.01 + 12 x1.008 + 6 *16.00) g = 180.16 g Glucose CH1206 6 atoms of C, 12 atoms of H, and 6 atoms of O Potassium sulfate Calcium phosphate...
help answer all the ones you can. PRELAB name: Jasmine Cancios 1. What is the ideal...
help answer all the ones you can.
PRELAB name: Jasmine Cancios 1. What is the ideal gas law? Write the equation below and label & the components of the equation. Write the balanced chemical equation for the reaction between Mg and HCl below include phases of each constituent. Mg + НСІ If a student used an excess of HCl to dissolve 0.045 grams of pure Mg ribbon, and collected the gas in a test tube over water how much H,...
S DEGH | xc Tv ; option Name: Katelyn Stanford Name: Lab Section: Date: Experiment 7...
S DEGH | xc Tv ; option Name: Katelyn Stanford Name: Lab Section: Date: Experiment 7 Pre-Lab Assignment Following each equation are two requests for molar ratios from the equation. 1) N2 + 3 H2 - 2 NH3 2)2 S0, +0- 2 S03 3) PCI, + Cl + PCI 4) 4 NH3 + 3 02 - 2 N2 + 6 H0 Pch to Ch:|: 1 Pch to PC1: (1:1) NHL to x_4821,0600-6:3 co to co:3:3 Feroco: 1283) 5) Fe:0; +...
need help with Prelab for Experiment 10- Analysis of Phosphorus in Plant Food ail answers except...
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Prelab for Experiment 10- Analysis of Phosphorus in Plant Food ail answers except for question 2 should be reported to at least 3 significont figures Phosphoric acid, H3PO4, has some important applications. It can be used to produce fertilizers and it is present in soft drinks. Phosphoric acid can be made from phosphorus in a two step process: Reaction 1: P4+502-P4O10 Reaciion 2: P40o+6H20+4H3PO4 1. What is the molar mass of phosphoric acid, HaPO4? Report your answer...
help with all qeustions(: Prelab Ouestions: Name 1) What is the molar mass of KAI(SO.), -12H,O...
help with all qeustions(:
Prelab Ouestions: Name 1) What is the molar mass of KAI(SO.), -12H,O ? (the 12 waters are part of the molecule) 2) Calculate the mass of alum that can be produced from 14.471g of Al 3) Calculate the mass of alum that can be formed from 0.724 moles of KOH 4) Calculate the mass of alum that can be formed from 1.10 mole of H2SO4 5) a) Based on the data above which reactant is the...
Section Name Experiment 23 Advance Study Assignment: Determination of the Equilibrium Constant for a Chemical Reaction...
Section Name Experiment 23 Advance Study Assignment: Determination of the Equilibrium Constant for a Chemical Reaction 1. A student mixes 5.00 mL 2.00 X 10M Fe(NO), with 5.00 ml 2.00 x 10-M KSCN. She finds that in the equilibrium mixture the concentration of FeSCN is 1.40 x 10M. Find K for the reaction Fe(aq) + SCN (aq) FeSCN2(aq). Step 1 Find the number of moles Fe and SCN initially present. (Use Eq. 3.) (5.00 x103 LX (300X163) = (x 103...
Vitamin C Analysis Lab Prelab Quiz Name: Section: 1. In today's experiment, 25 mg of vitamin c (176 g/mol) reacted completely with 30 mL of iodine solution. Volume of vitamin c solution containing 25 mg of vitamin e was 25 mL C&H&Os (aq)+ 2HI (aq) I2 (aq)+ CeH&Os (aq) a. Calculate moles of vitamin c in 25 mg Imal o4 n C 1967/016 b. Calculate the molar concentration of vitamin c
Your ticket will appear here once you na ve correctly ans w ered an or ше реао quesuon. Prelab for Experiment 6- Titration of an Unknown Acid In this prelab, answers to questions l and 2 should be reported toateastisennoantngurs Scientific notation format 2.34E 4. The 'E' must be capitalized." The prelab questions mirror those that you will be doing at the end of the experiment. Bring your work for this prelab assignment to lab and you will have a...
need a-g
LAB VII. PRACTICE PROBLEMS NAME: SECTION: PART D. CHAPTER 4 PROBLEMS I) Reaction Stoichiometry, Limiting Reactant, Theoretical and Percent Yields a) For the equation Cu + C → Cu + Co, if 2.73 moles of C are reacted with an excess of Cu20, how many moles of CO would be produced? moles b) For the equation Co(NO3)3 + (NH4)2S → Co2S3 + NH4NO3, if 79.2 g of Co(NO3)3 are reacted with an excess of (NH4)2S, how many moles...
Analysis of Vinegar EXPERIMENT NAME SECTION DATE POSTLABORATORY ASSIGNMENT 1. A standard nitric acid solution is prepared using 0.425 g of sodium carbonate, NaCO3. Find the molarity of the acid if 33.25 mL are required to reach a permanent endpoint. 2 HNO, (aq) + Na2CO3(s) + 2 NaNO3(aq) + H2O(l) + CO2(g) 2 H OT 2. A 10.0-ml sample of household ammonia solution required 27.50 mL of 0.241 M HNO3 for neutralization. Calculate (a) the molar concentration of the ammonia...
Need help on this. Thank You!
CHEM 1405 - Experiment 7: Reaction Stoichiometry 15 Name: Section: Date: Report Sheet: Pre-lab Questions (pay attention to significant figures) Q1. Complete the following table. Name Formula No. of atoms of each element represented in the formula Mass of one mole of the substance (6x12.01 + 12 x1.008 + 6 *16.00) g = 180.16 g Glucose CH1206 6 atoms of C, 12 atoms of H, and 6 atoms of O Potassium sulfate Calcium phosphate...
help answer all the ones you can.
PRELAB name: Jasmine Cancios 1. What is the ideal gas law? Write the equation below and label & the components of the equation. Write the balanced chemical equation for the reaction between Mg and HCl below include phases of each constituent. Mg + НСІ If a student used an excess of HCl to dissolve 0.045 grams of pure Mg ribbon, and collected the gas in a test tube over water how much H,...
S DEGH | xc Tv ; option Name: Katelyn Stanford Name: Lab Section: Date: Experiment 7 Pre-Lab Assignment Following each equation are two requests for molar ratios from the equation. 1) N2 + 3 H2 - 2 NH3 2)2 S0, +0- 2 S03 3) PCI, + Cl + PCI 4) 4 NH3 + 3 02 - 2 N2 + 6 H0 Pch to Ch:|: 1 Pch to PC1: (1:1) NHL to x_4821,0600-6:3 co to co:3:3 Feroco: 1283) 5) Fe:0; +...
need help with
Prelab for Experiment 10- Analysis of Phosphorus in Plant Food ail answers except for question 2 should be reported to at least 3 significont figures Phosphoric acid, H3PO4, has some important applications. It can be used to produce fertilizers and it is present in soft drinks. Phosphoric acid can be made from phosphorus in a two step process: Reaction 1: P4+502-P4O10 Reaciion 2: P40o+6H20+4H3PO4 1. What is the molar mass of phosphoric acid, HaPO4? Report your answer...
help with all qeustions(:
Prelab Ouestions: Name 1) What is the molar mass of KAI(SO.), -12H,O ? (the 12 waters are part of the molecule) 2) Calculate the mass of alum that can be produced from 14.471g of Al 3) Calculate the mass of alum that can be formed from 0.724 moles of KOH 4) Calculate the mass of alum that can be formed from 1.10 mole of H2SO4 5) a) Based on the data above which reactant is the...
Section Name Experiment 23 Advance Study Assignment: Determination of the Equilibrium Constant for a Chemical Reaction 1. A student mixes 5.00 mL 2.00 X 10M Fe(NO), with 5.00 ml 2.00 x 10-M KSCN. She finds that in the equilibrium mixture the concentration of FeSCN is 1.40 x 10M. Find K for the reaction Fe(aq) + SCN (aq) FeSCN2(aq). Step 1 Find the number of moles Fe and SCN initially present. (Use Eq. 3.) (5.00 x103 LX (300X163) = (x 103...
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