View Notes - moles_questions and answers.pdf from CHEM 1012 at Witwatersrand. 5) How much does 4.2 moles of Ca(NO3)2 weigh? A= mol (1 mark) Q3: Complete the following, the first is given as an example. •M 1 and V 1 are the molarity and volume of the initial solution, and M 2 and V 2 are the molarity and volume of the diluted solution. 1 mol Fe 55.85 g Fe 388.2 g Fe 6.951 mol Fe multiply by the inverse molar mass of Fe Mass of Fe in g 1 Amount of Fe in mol 2 1 molar mass Fe given 1 mol Fe g Fe mol Fe 55.85 g Fe Items Data Mass of iron 388.2 g Molar mass of iron* 55.85 g/mol This is a collection of ten chemistry test questions dealing with the mole. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. mole and 1 mole of methane will produce 1 mole of CO 2 = 44 g, and 2 moles of H 2O which is 36 g for a total of 80 g 4. d Balance: C 3H 8 + 5O 2 → 3CO 2 + 4H 2O 5. d Balance: 2KClO 3 → 2KCl + 3O 2 6. c In multiple choice questions without a calculator, you must look for the “easy math” − You will be most successful at this if 2. Here you will find support materials for Chapter 1 of the Cambridge IB Chemistry Coursebook. a) To prepare 100 ml of 0.40M MgSO the mole concept exam questions question related to mole concept mole concept exam exam questions on concept of moles the mole concept answers 2) How many moles are present in 34 grams of Cu(OH)2? A) B) C) (6 marks) Q4: In a mole of one substance and in the mole of another, is the number of particles, atoms, molecules or ions the same, less or more? So a mole of sodium (A r = 23.0) weighs 23.0 g. The abbreviation for a mole is mol. •The total number of moles of solute remains unchanged upon dilution, so you can write this equation. Molarity+calculations+(fillNinalltheboxes)+ ++solute+molesof+ solute+ grams+of+ solute+ volumeof++ solution+ Concentration+ (Molarity,+M=mole/L)+ ++NaCl+ Student exploration sheet answer key. MCQ quiz on Mole Concept multiple choice questions and answers on Mole Concept MCQ questions on Mole Concept objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. Making a Dilute Solution. 6) … One mole of a substance is the amount of that … This resource contains 2 core worksheets, 2 marking schemes for the core worksheets, an exemplar exam question, and a support worksheet from the Assessment section. Yes; the answer has the correct units of moles of Fe. a substance in grams is called a mole of the substance. We define the mole in terms of the standard carbon-12 isotope (see page 28). 4) How many grams are there in 3.4 x 1024 molecules of NH 3? The mole is a standard SI unit used primarily in chemistry. Atomic mass, avogadro constant, conversion factor, dimensional analysis, mole, molar mass, molecular mass, scientific notation, significant figures, unified atomic mass unit activity a: Moles and this pdf book provide moles chemistry mole questions and answers … How many grams of C2H6O are in 0.54 moles of A= Moles (1 mark) Q2: What is the symbol for this unit? A periodic table will be useful to complete these questions. Moles Worksheet 1) Define “mole”. 3) How many moles are present in 2.45 x 1023 molecules of CH 4? Answers appear after the final question. Calculate the concentration of the solution in moles per litre [C=12, H = 1, ... Study the information in the table below and answer the questions that follow. CHM 1010 GAGE Problems Involving Moles (No Reactions) Answers 1. 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