Complete the table with names or formula and circle Y if it is an ionic compound

Question

Complete the table with names or formula and circle Y if it is an ionic compound, and N if it is NOT an ionic compound Formula Name lonic Compound CBra Caa Calcium carbonate 01 sulfur dioxide ammonium cyanide KOH N20 aluminum chloride Complete the table. Make sure to include all of your work to receive full credit (remember partial credit can be given for incorrect answers with clearly written processes that are partially Molar Mass Mass (ing)ofoxygenina 10.0,sample CH OH 2- 2 Work: Molar mass: Mass of oxygen in a 10.0 g sample of CH OH 3

Explanation / Answer

Atomic masses C=12, H=1, O=16

Molar mass of CH3OH = 12+3x1+16+1x1 = 32 grams

32 grams of CH3OH contains 16 grams of Oxygen

10 grams of CH3OH contains ----? grams of Oxygen = (10/32) x16 = 5 grams

Mass of Oxygen in 1o grams of CH3OH =5 grams

Formula Name Ionic Compound CBr4 Carbon tetra bromide No CaCO3 Calcium Carbonate Yes Fe2S3 Iron (III) Sulfide Yes SO2 Sulphur dioxide No NH4CN Ammonium cyanide Yes KOH Potassium Hydroxide Yes N2O4 Dinitrogen tetroxide No AlCl3 Aluminium chloride Yes

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