1.) What is the [H3O+] in a solution that contains 1.63g of HNO3 in 0.550 L of s

Question

1.) What is the [H3O+] in a solution that contains 1.63g of HNO3 in 0.550 L of solution?  

2.) A patient with respiratory alkalosis has a blood plasma pH of 7.51. What is the [H3O+] of the blood plasma?

3) The purpose of this buffer system is to:  
a.) maintain [HNO]
b.)maintain [NO2-]
c.) maintain pH

4.) The weak acid is needed to:  
a.) provide the conjugate base  
b.) provide the conjugate acid  
c.) neutralize added OH

5.) The addition of H3O+ is neutralized by:
a.) The salt
b.) H2O
c.) OH-

6.) When OH- is added, the equilibrium shifts in the direction of the:  
a.) does not change
b.) Products

c.) reactants

Explanation / Answer

1.) What is the [H3O+] in a solution that contains 1.63g of HNO3 in 0.550 L of solution?

mol of HNO3 = mass/MW = ( 1.63/63.01 ) = 0.025868

V = 0.55 L

M = mol/V = 0.025868/0.55

M = 0.047032 M

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.