3. Consider the following reaction. How many moles of oxygen are required to pro

Question

3. Consider the following reaction. How many moles of oxygen are required to produce 10.0 moles of water? Assume that there is excess C3H7SH present.

                6.67 moles O2

                15.0 moles O2

                10.0 moles O2

                40.0 moles O2

                2.50 moles O2

5. According to the following balanced reaction, how many moles of KOH are required to exactly react with 5.44 moles of H2O?

                5.44 moles H2O

                10.9 moles H2O

                21.8 moles H2O

                2.72 moles H2O

                1.36 moles H2O

7. How many molecules of HCl are formed when 80.0 g of water reacts according to the following balanced reaction? Assume excess ICl3.

                4.46 × 1024 molecules HCl

                2.68 × 1024 molecules HCl

                8.04 × 1024 molecules HCl

                5.36 × 1024 molecules HCl

                4.46 × 1025 molecules HCl

Explanation / Answer

3,5,7 I don’t see the balanced reactions.

10. PbCl2

Na and K salts are soluble in water. The chlorides, with some exceptions including PbCl2, are soluble in water.

11. Pb(NO3)2

All nitrates are soluble in water.

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