Chemistry, 28.09.2021 01:10 fernandoramirez086

3. Calculate the mass of Fe in 30g of FeCl; 4. Calculate the number of molecules present in 81g of H2O?
5. One mole of CaCl2 weigh how much grams?
6. Calculate the mass of sodium sulfate made when 100 g of sodium hydroxide reacts with excess sulfuric acid. (Ar of H=1. Ar of O = 16. Ar of Na= 23. Ar of S = 32) H2SO4 + 2NaOH Na SO + 2H2O 7. One mole of H. SO, weigh how much grams?
8. How many grams of NaOH will react if 3 moles of sodium hydroxide react completely to form sodium sulfate? (A. of H= 1, A, of O = 16, A, of Na = 23, A, of S = 32) H2SO4 + 2NaOH Na SO: 2H2O 9. Calculate the mass of magnesium chloride made when 96 g of magnesium reacts with excess hydrochloric acid. (As of H = 1, As of Cl = 35.5. Ar of Mg = 24) Mg (3) + 2HCl (24) MgCl2(aq) H2(g)

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3. Calculate the mass of Fe in 30g of FeCl; 4. Calculate the number of molecules present in 81g of...