How many moles are in 22.2 grams of Calcium chloride, CaCl2?

Related Mcqs:

1. When two moles of ethyl chloride react with two moles of sodium in the presence of ether what will be formed ?

   A. 2 moles of ethane B. 1 mole of ethane C. 2 moles of butane D. 1 mole of butane...

2. A sample of an iron and oxygen ore has a mass of 35.8 grams. The iron in the compound has a mass of 27.9 grams. What is the percent iron in the ore?

   A. 74% Fe B. 75% Fe C. 77% Fe D. 78% Fe Submitted by: Muhammad Ali Kunbhar...

3. What will be the PH of  0.01M ammonium chloride solution containing 10 mol per liter of ammonium chloride (pkb=4.76)?

   A. 5.24 B. 6.24 C. 7.24 D. 8.24  Submitted by: Said wali shah...

4. The use of CaCl2 and PCl5 in the process of crystallization is as a____________________?

   A. oxidizing agent B. reducing agent C. drying agent D. colouring agent...

5. Percentage of calcium in calcium carbonate is___________________?

   A. 80% B. 30% C. 40% D. 20%...

6. Ethy1 chloride on reduction in the presence of Zn/HCI produces___________________?

   A. n. butane B. Ethanol C. Ethane D. Diethy1 ether...

7. Ethanal is prepared industrially by air oxidation of ethylene using palladium chloride as catalyst and _________ as promoter?

   A. PdCl2 B. Cu2Cl2 C. CuCl2 D. PbCl2...

8. Ammonia may be prepared by heating ammonium chloride with_______________?

   A. Water B. NaCl C. Aqueous sodium hydroxide D. H2SO4...

9. Ethyl chloride with nascent hydrogen produces_________________?

   A. methane B. ethane C. propane D. butane...

10. The weight of a metal of equivalent of 12 which will give 0.475g of its chloride is_______?

    A. 0.12g B. 0.16g C. 0.18g D. 0.24g Submitted by: Muhammad Ali Kunbhar...