T/F: 1.A solution prepared by dissolving 25 g of Na 2 CO 3 in 750 mL total solut

Question

T/F:

1.A solution prepared by dissolving 25 g of Na2CO3 in 750 mL total solution has a molarity of 0.033 M.

2.In the reaction CH4 + 2O2 ? CO2 + 2H2O, when 4 moles of CH4 and 10 moles of O2 are reacted, the limiting reactant is O2.

3.A solution prepared by dissolving 110 g of HC2H3O2 in 1.25 L total solution has a molarity of 88 M.

4. 50 mL 0.2 M K2CO3 will neutralize 10 mL 0.5M HNO3 solution.

5. 25 mL 0.2 M NaOH will neutralize 10 mL 0.4 M HCl solution.

6. In the reaction CS2 + 3O2 ? CO2 + 2SO2, when 2.1 moles of CS2 and 6.5 moles of O2 are reacted, the limiting reactant is O2.

7.A solution prepared by dissolving 24 g potassium sulfate in 150 mL total solution has a molarity of 0.92 M.

8. 25 mL 0.2 M NaOH will neutralize 10 mL 0.5 M HCl solution.

9.When 10 moles of hydrogen and 10 moles of oxygen are mixed to produce water, the limiting reactant is oxygen.

10. A solution prepared by dissolving 16 g of Ca(NO3)2 in 250 mL total solution has a molarity of 0.39 M.

Please explain! Thank you so much

Explanation / Answer

1.A solution prepared by dissolving 25 g of Na2CO3 in 750 mL total solution has a molarity of 0.033 M.- TRUE

2.In the reaction CH4 + 2O2 ? CO2 + 2H2O, when 4 moles of CH4 and 10 moles of O2 are reacted, the limiting reactant is O2. -FALSE

3.A solution prepared by dissolving 110 g of HC2H3O2 in 1.25 L total solution has a molarity of 88 M.- FALSE

4. 50 mL 0.2 M K2CO3 will neutralize 10 mL 0.5M HNO3 solution.- TRUE

5. 25 mL 0.2 M NaOH will neutralize 10 mL 0.4 M HCl solution.- TRUE

6. In the reaction CS2 + 3O2 ? CO2 + 2SO2, when 2.1 moles of CS2 and 6.5 moles of O2 are reacted, the limiting reactant is O2.- FALSE

7.A solution prepared by dissolving 24 g potassium sulfate in 150 mL total solution has a molarity of 0.92 M.-TRUE

8. 25 mL 0.2 M NaOH will neutralize 10 mL 0.5 M HCl solution.- TRUE

9.When 10 moles of hydrogen and 10 moles of oxygen are mixed to produce water, the limiting reactant is oxygen.- TRUE

10. A solution prepared by dissolving 16 g of Ca(NO3)2 in 250 mL total solution has a molarity of 0.39 M.- FALSE

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