Froggy Jumps Chemistry Mole Calculation QuizVersion en ligne Test your knowledge of mole calculations in chemistry with this quiz game! par Temirlan Erkinbekov 1 What is the formula to calculate the number of moles? a Number of moles = Mass * Molar mass b Number of moles = Mass / Molar mass c Number of moles = Mass + Molar mass 2 What is the unit for molar mass? a grams per mole (g/mol^2) b moles per gram (mol/g) c grams per mole (g/mol) 3 What is Avogadro's number? a 6.022 x 10^23 b 9.8 c 3.1416 4 What is the molar mass of water (H2O)? a 36.030 g/mol b 9.008 g/mol c 18.015 g/mol 5 How many moles are in 100 grams of carbon dioxide (CO2)? a 0.50 moles b 3.58 moles c 1.79 moles 6 What is the molar mass of oxygen (O2)? a 64.00 g/mol b 32.00 g/mol c 16.00 g/mol 7 What is the formula to calculate the mass of a substance? a Mass = Number of moles * Molar mass b Mass = Number of moles / Molar mass c Mass = Number of moles + Molar mass 8 How many grams are in 2 moles of sodium chloride (NaCl)? a 116.94 grams b 233.88 grams c 58.47 grams 9 What is the molar mass of carbon dioxide (CO2)? a 88.02 g/mol b 44.01 g/mol c 22.00 g/mol 10 How many moles are in 50 grams of methane (CH4)? a 0.69 moles b 1.39 moles c 2.78 moles
