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What is the molecular formula of the compound below (in alphabetical order)?

1. combine iron and copper (ii) sulfate solution. (hint: iron will form the iron (iii) ion) fe + cuso4 → 2. combine lead (ii) nitrate and potassium iodide solutions. pb(no3)2+ kl → 3. combine magnesium metal and hydrochloric acid solution. mg + hcl → 4. electrolysis (splitting) of water. h2o → 5. burning magnesium. mg + o2 →

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

Calculate the concentration of all species in a 0.165 m solution of h2co3.