Moles quiz Loading... 1. What is the meaning of the word mole in Chemistry?Moles are the units for amount of substance. 1 mole of an element is its atomic number in grams (e.g. 1 mole of magnesium is 12 g)A mole is a small burrowing mammalMoles are the units for amount of substance. 1 mole of a substance is its relative formula mass in grams (e.g. 1 mole of magnesium is 24 g)Moles are the units for amount of substance. (1 mole is 10 g of a substance)Question 1 of 10 Loading... 2. Complete the following expression: amount (in moles) = amount (in moles) x Mᵣmass / MᵣAᵣ / MᵣMᵣ / massQuestion 2 of 10 Loading... 3. Calculate the relative formula mass(Mr) of hydrated copper (II) sulfate (CuSO₄.5H₂O)177.5127180.5249.5Question 3 of 10 Loading... 4. What mass of calcium bromide will fully react with 71g of chlorine?200g480 g120 g240 gQuestion 4 of 10 Loading... 5. Balance the equation for the reaction: ___ HCl(aq) + ___ MnO₂(s) → ___MnCl₂(aq) + ___H₂O(l) + ___ Cl₂(g)4 HCl(aq) + MnO₂(s) → MnCl₂(aq) + 2H₂O(l) + Cl₂(g)2 HCl(aq) + MnO₂(s) → MnCl₂(aq) + H₂O(l) + Cl₂(g)4 HCl(aq) + 2 MnO₂(s) → 2 MnCl₂(aq) + 2H₂O(l) + Cl₂(g)6 HCl(aq) + MnO₂(s) → MnCl₂(aq) + 2H₂O(l) + 2 Cl₂(g)Question 5 of 10 Loading... 6. What are the units for amount in Chemistry?Molesg per 100g of solventmol/dm³GramsQuestion 6 of 10 Loading... 7. What do each of the following state symbols represent: (s), (l), (g), (aq)(s) - solid. (l) - liquid. (g) - gas. (aq) - water(s) - solution. (l) - liquid. (g) - gas. (aq) - water(s) - solid. (l) - liquid. (g) - gas. (aq) - aqueous (in solution)(l) - solid. (g) - liquid. (s) - gas. (aq) - aqueous (in solution)Question 7 of 10 Loading... 8. What mass of carbon dioxide is produced when 24g of carbon undergoes completely combustion?176 g24 g88g44 gQuestion 8 of 10 Loading... 9. What is the equation linking moles, Mᵣ and mass moles = mass x Mᵣmoles = mass / MᵣMᵣ = mass x molesmass = moles / MᵣQuestion 9 of 10 Loading... 10. Calculate the relative formula mass(Mr) of ethanol (C₂H₅OH)45414625Question 10 of 10 Loading... Related Posts:The entire quiz question bank!The entire quiz question bank (Double only)!Key Calculations quizEquilibria (triple) quizCondensation Polymers quizElectrolysis quiz Hydr0Gen2020-02-16T16:53:45+00:00Categories: Uncategorized|Tags: Quiz, Topic: Moles| Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail
