3. What would be the products in the overall ionic equation for the following re

Question

3. What would be the products in the overall ionic equation for the following reaction? 2HBr(aq) + 2KOH(aq)-> products 1·K'(aq) and Br (aq); ll. KH(aq); Ill. H2O(l); lV. KBr(s); V. BrOH(aq); VI, KBr(aq) d. III and VI e. Il andV a. b. c. I and III III and IV II, III, and V Which one of the following reaction equations is the molecular equation for the reaction of hydrochloric acid with sodium hydroxide? All species are in aqueous solution. a. HCl + NaOH NaCl + H2O b. H+ + Cl-+ Na+ + OH. NaCl + H2O c. H+ + OH--> H2O d. Na' + Cl-NaCl 4. What volume of 3.0 M NaOH contains 0.15 mole of NaOH? a. 50 mL b. 5.0 m c. 500 mL 5. d. 0.050 mL e. 0.50 mL

Explanation / Answer

3) It is a general equation : 2HBr(aq) + 2KOH(aq) -------->2KBr(aq) + 2H2O(l)

    so answer is d.

4) HCl + NaOH -------> NaCl + H2O

The above equation only called molecular equation remaining all are ionic equations only.

5) concentration (C) = no of moles(n) / volume(v)

   here the no of moles and the concentration is given.

   c=3.0M n=0.15ml

therefore v= n/c ====> 0.15/3 = 0.05ml

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