Moles quiz Loading... 1. Balance the following equation: WO₃ + H₂ → W + H₂O WO₃ + 3H₂ → W + 6H₂O 2WO₃ + 3H₂ → 2W + 6H₂O WO₃ + 3H₂ → W + 3H₂O WO₃ + 6H₂ → W + 3H₂OQuestion 1 of 10 Loading... 2. What are the units for amount in Chemistry?g per 100g of solventGramsmol/dm³MolesQuestion 2 of 10 Loading... 3. What mass of carbon dioxide is produced when 24g of carbon undergoes completely combustion?44 g88g24 g176 gQuestion 3 of 10 Loading... 4. Calculate the relative formula mass(Mr) of cobalt chloride crystals (CoCl₂.6H₂O)158238130169Question 4 of 10 Loading... 5. What mass of calcium bromide will fully react with 71g of chlorine?200g480 g120 g240 gQuestion 5 of 10 Loading... 6. Complete the following expression: mass = amount (in moles) / MᵣMᵣ / amount (in moles)Aᵣ / Mᵣamount (in moles) x MᵣQuestion 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 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)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 a substance is its relative formula mass in grams (e.g. 1 mole of magnesium is 24 g)Question 8 of 10 Loading... 9. Calculate the relative formula mass(Mr) of hydrated copper (II) sulfate (CuSO₄.5H₂O)180.5127177.5249.5Question 9 of 10 Loading... 10. Complete the following expression: Mᵣ = mass x amount (in moles)amount (in moles) /massmass / amount (in moles)mass² / amount (in moles)Question 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
