Moles quiz Please wait... 1. Balance the equation for the reaction: ___ HCl(aq) + ___ MnO₂(s) → ___MnCl₂(aq) + ___H₂O(l) + ___ Cl₂(g)6 HCl(aq) + MnO₂(s) → MnCl₂(aq) + 2H₂O(l) + 2 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) Loading... Question 1 of 10 2. Calculate the relative formula mass(Mr) of carbon dioxide (CO₂)38442288 Loading... Question 2 of 10 3. What mass of carbon dioxide is produced when 24g of carbon undergoes completely combustion?24 g176 g44 g88g Loading... Question 3 of 10 4. What is the meaning of the word mole in Chemistry?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)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 is 10 g of a substance) Loading... Question 4 of 10 5. Complete the following expression: Mᵣ = mass x amount (in moles)mass / amount (in moles)mass² / amount (in moles)amount (in moles) /mass Loading... Question 5 of 10 6. Balance the following equation: WO₃ + H₂ → W + H₂O WO₃ + 6H₂ → W + 3H₂O WO₃ + 3H₂ → W + 3H₂O 2WO₃ + 3H₂ → 2W + 6H₂O WO₃ + 3H₂ → W + 6H₂O Loading... Question 6 of 10 7. What are the units for amount in Chemistry?Gramsmol/dm³Molesg per 100g of solvent Loading... Question 7 of 10 8. Calculate the relative formula mass(Mr) of ethanol (C₂H₅OH)41452546 Loading... Question 8 of 10 9. What mass of calcium bromide will fully react with 71g of chlorine?200g120 g240 g480 g Loading... Question 9 of 10 10. Complete the following expression: mass = amount (in moles) x MᵣMᵣ / amount (in moles)amount (in moles) / MᵣAᵣ / Mᵣ Loading... 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 stuart2020-02-16T16:53:45+00:00Categories: Uncategorized|Tags: Quiz, Topic: Moles| Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail
