Lab stoichiometry - Study guides, Class notes & Summaries

Lab Stoichiometry.

Complete the table with the data from the lab. - Mole Ratio: 1:5, 1:3, 1:2, 1:1, 2:1, 3:1, 5:1 Volume of Precipitate: 45mL, 55mL, 47mL, n/a, n/a, n/a, n/a What signs of a chemical reaction did you observe during the experiment? - -change in color -formation of a precipitate What are the reactants in this chemical reaction? - -Sodium hydroxide: NaOH -Ferric nitrate: Fe(NO3)3 What mole ratio produces the most precipitate? - 1:3 What is the balanced equation for the reactions? Identify the ...

Edapt Stoichiometry quiz Introduction to General Organic and Biological Chemistry with Lab-Mueller > Unit 3 A B C D If the balanced chemical reaction for the formation of Li2O is 4 Li(s) + O2(g) → 2 Li2O(s), how many molecules of Li2O(s) would you produce if you used up 6 atoms of Li(s)? 12 3 6 2 Review Feedback× Just like following a recipe, we can know how many of an ingredient (reactant) we need to make a specified amount of product according to a recipe (balanced chemi...

CHEM 103 Lab Exam 8 Questions and Answers | Latest Update 2023/2024 (Portage Learning) EXAM ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES ANSWERS GRADED A+ CHEM 103 General Chemistry I with Lab Prerequisites: High school chemistry (recommended, but not required) Instructor: Kenneth Hartman, PhD Facilitator: Rodney Austin, PhD Heather Dorman, PhD H Elaine Frey, MHA Kathy Austin, MEd Contact Information: Faculty may be contacted through the Portage messaging syste...

CHEM 103 General Chemistry I with Lab 4 Credits Prerequisites: High school chemistry (recommended, but not required) Instructor: Kenneth Hartman, PhD Facilitator: Rodney Austin, PhD Heather Dorman, PhD H Elaine Frey, MHA Kathy Austin, MEd Contact Information: Faculty may be contacted through the Portage messaging system Additional Information: * Course meeting times: CHEM 103 is offered continuously Course Description: A systematic investigation of the fundamental principles of chemist...

Chem Lab Final Exam Complete Updated Solution polyprotic acid - answeran acid that can donate more than one proton per molecule monoprotic acid - answeran acid that can donate only one proton per molecule What were the objectives for Experiment 5? - answerto understand the difference between polyphonic and monoprotic acids, learn the basics of the pH scale, learn how to perform an acid-base titration, compare and contrast two methods for detection of the estimated equivalence point of an aci...

CHEM120 INTRODUCTION TO GENERAL, ORGANIC & BIOLOGICAL CHEMISTRY 2024| LAB REPORT FOR WEEK 3 SCORED A+ OL Lab 3: Stoichiometry: Avogadro’s number and molecular calculations / Solution Preparation: From salt to solution Learning Objectives: • Explain the relationship between mass, molecular weight, and numbers of atoms or molecules and perform calculations deriving these quantities from one another • Perform mass-to-mass stoichiometric calculations via conversions to moles • Ident...

Chem Lab Final Exam Complete Updated Solution polyprotic acid - answeran acid that can donate more than one proton per molecule monoprotic acid - answeran acid that can donate only one proton per molecule What were the objectives for Experiment 5? - answerto understand the difference between polyphonic and monoprotic acids, learn the basics of the pH scale, learn how to perform an acid-base titration, compare and contrast two methods for detection of the estimated equivalence point of an aci...

Here are the key points I would highlight in the assignment: P4/P6 - Practical Work Measuring cell potentials for various half-cell combinations (Zn/Cu, Zn/Pb, Pb/Cu) Calculating standard cell potentials and comparing to measured values Titrations: Fe2+/MnO4-, Na2S2O3/KIO3 standardization, I2/Cu2+ determination Observations and calculations for titration volumes and concentrations Oxidation of alcohols (ethanol, ethanoic acid) with acidified K2Cr2O7 Health & Safety Proper PPE (lab ...

CHEM120 Week 3 Concepts: Chemical Reactions and Calculations – Download To Score An A+ OL Lab 3: Stoichiometry: Avogadro’s number and molecular calculations / Solution Preparation: From salt to solution Learning Objectives: • Explain the relationship between mass, molecular weight, and numbers of atoms or molecules and perform calculations deriving these quantities from one another • Perform mass-to-mass stoichiometric calculations via conversions to moles • Identify the limiting and e...