Acids and Bases Test Review Answer Key



Acids and Bases Test Review Answer Key

1, 2, 3. look to notes or book 4. OH-, NH3, SO4-2, PO4-3 5. HSO31-, HNO3, H3PO4

6. 7.63, 6.37, 2.3X10-8M 7. 3.2X10-9M, 3.2X10-11M, 3.1X10-9M 8. water and salt

9a. H2SO4 + 2NaOH → Na2SO4 + 2H2O, 9b. 2H3PO4 + 3Ca(OH)2 → Ca3(PO4)2 + 6 H2O

10. 0.12 11. 14.57 12. 5.00 13. 0.011M 14. 3X10-9M, 3X10-6M 15. 1.7M

16. 54mL 17. 4.0M 18. 160mL 19. 11.57 20. 2.035 21. 4.247 22. [H+]=2.2X10-13M and [OH-]=4.5X10-2M 23. [H+]=4.0X10-4M and [OH-]=2.5X10-11M

24. Ca(OH)2 + 2HCl → CaCl2 +2H2O (acid-base reaction) 25. 3Ca + N2 → Ca3N2 (redox reaction)

26. 3CaCl2 + 2K3PO4 → Ca3(PO4)2 (insoluble) + 6KCl(soluble) (precipitation reaction)

Acids and Bases Test Review Answer Key

1, 2, 3. look to notes or book 4. OH-, NH3, SO4-2, PO4-3 5. HSO31-, HNO3, H3PO4

6. 7.63, 6.37, 2.3X10-8M 7. 3.2X10-9M, 3.2X10-11M, 3.1X10-9M 8. water and salt

9a. H2SO4 + 2NaOH → Na2SO4 + 2H2O, 9b. 2H3PO4 + 3Ca(OH)2 → Ca3(PO4)2 + 6 H2O

10. 0.12 11. 14.57 12. 5.00 13. 0.011M 14. 3X10-9M, 3X10-6M 15. 1.7M

16. 54mL 17. 4.0M 18. 160mL 19. 11.57 20. 2.035 21. 4.247 22. [H+]=2.2X10-13M and [OH-]=4.5X10-2M 23. [H+]=4.0X10-4M and [OH-]=2.5X10-11M

24. Ca(OH)2 + 2HCl → CaCl2 +2H2O (acid-base reaction) 25. 3Ca + N2 → Ca3N2 (redox reaction)

26. 3CaCl2 + 2K3PO4 → Ca3(PO4)2 (insoluble) + 6KCl(soluble) (precipitation reaction)

Acids and Bases Test Review Answer Key

1, 2, 3. look to notes or book 4. OH-, NH3, SO4-2, PO4-3 5. HSO31-, HNO3, H3PO4

6. 7.63, 6.37, 2.3X10-8M 7. 3.2X10-9M, 3.2X10-11M, 3.1X10-9M 8. water and salt

9a. H2SO4 + 2NaOH → Na2SO4 + 2H2O, 9b. 2H3PO4 + 3Ca(OH)2 → Ca3(PO4)2 + 6 H2O

10. 0.12 11. 14.57 12. 5.00 13. 0.011M 14. 3X10-9M, 3X10-6M 15. 1.7M

16. 54mL 17. 4.0M 18. 160mL 19. 11.57 20. 2.035 21. 4.247 22. [H+]=2.2X10-13M and [OH-]=4.5X10-2M 23. [H+]=4.0X10-4M and [OH-]=2.5X10-11M

24. Ca(OH)2 + 2HCl → CaCl2 +2H2O (acid-base reaction) 25. 3Ca + N2 → Ca3N2 (redox reaction)

26. 3CaCl2 + 2K3PO4 → Ca3(PO4)2 (insoluble) + 6KCl(soluble) (precipitation reaction)

Acids and Bases Test Review Answer Key

1, 2, 3. look to notes or book 4. OH-, NH3, SO4-2, PO4-3 5. HSO31-, HNO3, H3PO4

6. 7.63, 6.37, 2.3X10-8M 7. 3.2X10-9M, 3.2X10-11M, 3.1X10-9M 8. water and salt

9a. H2SO4 + 2NaOH → Na2SO4 + 2H2O, 9b. 2H3PO4 + 3Ca(OH)2 → Ca3(PO4)2 + 6 H2O

10. 0.12 11. 14.57 12. 5.00 13. 0.011M 14. 3X10-9M, 3X10-6M 15. 1.7M

16. 54mL 17. 4.0M 18. 160mL 19. 11.57 20. 2.035 21. 4.247 22. [H+]=2.2X10-13M and [OH-]=4.5X10-2M 23. [H+]=4.0X10-4M and [OH-]=2.5X10-11M

24. Ca(OH)2 + 2HCl → CaCl2 +2H2O (acid-base reaction) 25. 3Ca + N2 → Ca3N2 (redox reaction)

26. 3CaCl2 + 2K3PO4 → Ca3(PO4)2 (insoluble) + 6KCl(soluble) (precipitation reaction)

Acids and Bases Test Review Answer Key

1, 2, 3. look to notes or book 4. OH-, NH3, SO4-2, PO4-3 5. HSO31-, HNO3, H3PO4

6. 7.63, 6.37, 2.3X10-8M 7. 3.2X10-9M, 3.2X10-11M, 3.1X10-9M 8. water and salt

9a. H2SO4 + 2NaOH → Na2SO4 + 2H2O, 9b. 2H3PO4 + 3Ca(OH)2 → Ca3(PO4)2 + 6 H2O

10. 0.12 11. 14.57 12. 5.00 13. 0.011M 14. 3X10-9M, 3X10-6M 15. 1.7M

16. 54mL 17. 4.0M 18. 160mL 19. 11.57 20. 2.035 21. 4.247 22. [H+]=2.2X10-13M and [OH-]=4.5X10-2M 23. [H+]=4.0X10-4M and [OH-]=2.5X10-11M

24. Ca(OH)2 + 2HCl → CaCl2 +2H2O (acid-base reaction) 25. 3Ca + N2 → Ca3N2 (redox reaction)

26. 3CaCl2 + 2K3PO4 → Ca3(PO4)2 (insoluble) + 6KCl(soluble) (precipitation reaction)

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