"Calculate the number of grams of silver that contain the same number of atoms as 2.24 g of chromium." I got the answer 4.66g Ag but my teacher got 4.65g Ag, plz show all work so i can find out what part i messed up on, thanks!

If the mass of the products measured 120g what would the mass of the reactants a. 30g b. 60g c. 120g d. 240g

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 →

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?