Moles quiz Loading... 1. Calculate the relative formula mass(Mr) of aluminium oxide (Al₂O₃)1291024386Question 1 of 10 Loading... 2. What is the meaning of the word mole in Chemistry?Moles are the units for amount of substance. (1 mole is 10 g of a substance)A mole is a small burrowing mammalMoles 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)Moles 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)Question 2 of 10 Loading... 3. What is the equation linking moles, Mᵣ and mass mass = moles / MᵣMᵣ = mass x molesmoles = mass x Mᵣmoles = mass / MᵣQuestion 3 of 10 Loading... 4. What mass of carbon dioxide is produced when 24g of carbon undergoes completely combustion?44 g88g24 g176 gQuestion 4 of 10 Loading... 5. What are the units for amount in Chemistry?GramsMolesmol/dm³g per 100g of solventQuestion 5 of 10 Loading... 6. Balance the following equation: WO₃ + H₂ → W + H₂O WO₃ + 3H₂ → W + 3H₂O WO₃ + 3H₂ → W + 6H₂O WO₃ + 6H₂ → W + 3H₂O 2WO₃ + 3H₂ → 2W + 6H₂OQuestion 6 of 10 Loading... 7. Complete the following expression: mass = Aᵣ / Mᵣamount (in moles) / MᵣMᵣ / amount (in moles)amount (in moles) x MᵣQuestion 7 of 10 Loading... 8. Balance the equation for the reaction: ___ HCl(aq) + ___ MnO₂(s) → ___MnCl₂(aq) + ___H₂O(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)4 HCl(aq) + MnO₂(s) → MnCl₂(aq) + 2H₂O(l) + Cl₂(g)6 HCl(aq) + MnO₂(s) → MnCl₂(aq) + 2H₂O(l) + 2 Cl₂(g)Question 8 of 10 Loading... 9. Calculate the relative formula mass(Mr) of aluminium nitrate (Al(NO₃)₃)21311718589Question 9 of 10 Loading... 10. What mass of calcium bromide will fully react with 71g of chlorine?200g480 g120 g240 gQuestion 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
