Answer to Question #336027 in General Chemistry for hoshi

Question

Determine the equivalent of one mole of the following substances, given type of reaction they participate in.

1. NaOH Acid-Base Reaction to form NaCl

2. HNO₃ Acid-Base reaction to form NaNO₃

3. H₂SO₄ Acid-Base reaction to form Na₂SO₄

4. Sr(OH)₂ Acid-Base reaction to form SrCl₂

5. H₃PO₄ Acid-Base reaction to form Na₃PO₄

6. CaCl₂ precipitation reaction to form CaCO₃

7. H₃PO₄ precipitation reaction to form Mg₃(PO₂)₂

8. AgNO₃ precipitation reaction to form Agl

9. Ba(C₂H₃O₂)₂ precipitation reaction to form BaSO₄

10. AlBr₃ precipitation reaction to form Al(OH)₃

11. FeCl₃ redox reaction to form FeCl₃

12. Br₂ redox reaction to form KBr

13. Zn redox reaction to form ZnSO₄

14. HCl redox reaction to form H₂

15. Cu redox reaction to form CuO

Answer 1

A substance equivalent or simply an equivalent is a real or conditional particle that can attach, release or otherwise be equivalent to a hydrogen cation in acid-base ( ion -exchange ) chemical reactions or an electron in redox reactions

1. 2( 2 hydrogen cation )

2.1( 1 hydrogen cation )

3.2( 2 hydrogen cation )

4. 2( 2 hydrogen cation )

5. 3( 3 hydrogen cation )

6.2( 2 hydrogen cation )

7.3( 3 hydrogen cation )

8.1( 1 hydrogen cation )

9.2( 2 hydrogen cation )

10. 3( 3 hydrogen cation )

11.0, no changes

12. 1 (electron)

13. 2 (2 electrons)

14. 1 (electron)

15. 1 (electron)