1.) Which one of the following pairs of species are conjugate acid base pairs? A. HCl, HBr B. HI, NaOH C. H3O+, OH- D. H3PO4, H2PO42â E. H2SO4, SO42â 2.) "Milk of magnesia" antacid has a pH of 10.25. What is the [H+] in this solution? A. 5.6 Ã 10-11 B. 1.8 Ã 1011 C. 1.8 Ã 10-4 D. 3.75 E. 1.8

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12 Dec 2019

1.) Which one of the following pairs of species are conjugate acid base pairs?

A. HCl, HBr

B. HI, NaOH

C. H₃O⁺, OH^-

D. H₃PO₄, H₂PO₄^2â

E. H₂SO₄, SO₄^2â

2.) "Milk of magnesia" antacid has a pH of 10.25. What is the [H+] in this solution?

A. 5.6 Ã 10^-11

B. 1.8 Ã 10¹¹

C. 1.8 Ã 10^-4

D. 3.75

E. 1.8

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"Milk of magnesia" antacid has a pH of 10.25. What is the [H+] in this solution?

A. 5.6 Ã 10^-11
B. 1.8 Ã 10¹¹
C. 1.8 Ã 10^-4
D. 3.75
E. 1.8

The daily output of stomach acid (gastric juices) is 1000mL to1400mL. Prior to a meal, stomach acid (HCl) typically has a pH of1.42.
Part A-What is the H3O+ of stomach acid?
Part B- The antacid Maalox contains 200mg of Al(OH)3 per tablet.Write the neutralization equation.
Part C-Calculate the mL of stomach acid neutralized by 3 tablets ofMaalox.
Part D-The antacid Milk of Magnesia contains 400mg Mg(OH)2 perteaspoon. Write the neutralization equation.
Part E-Calculate the number of mL of stomach acid neutralized by 1tablespoon of milk of magnesia (1 tablespoon=3 teaspoons)

Ok, I have part A and B, but need help with the rest
A=3.8*10^-2M

10. Write a balanced equation for each of the following reactions:

a. KHCO_3(s) + HCl_(aq) Ã

b. Ca_(s) + H₂SO_4(aq) Ã

c. H₂SO_4(aq) + Al(OH)_3(s) Ã

d. Na₂CO_3(s) + H₂SO_4(aq) Ã

11. Write a balanced equation for the neutralization of each of the following:

a. H₃PO_4(aq) + NaOH_(aq) Ã

b. HI_(aq) + LiOH_(aq) Ã

12. A solution of 0.162 M NaOH is used to neutralize 25.0 mL of H₂SO₄ solution. If 32.8 mL of the NaOH solution is required, what is the molarity of the H₂SO₄ solution?

2H₂O_(l) + Na₂SO_4(aq) Ã 2H₂O_(l) + Na₂SO_4(aq)

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A. HCl, HBr
B. HI, NaOH
C. H₃O⁺, OH^-
D. H₃PO₄, H₂PO₄^2â
E. H₂SO₄, SO₄^2â