Tuesday

October 21, 2014

October 21, 2014

Posted by **mary** on Tuesday, January 31, 2012 at 11:57pm.

pH values:

NaCl 6.89

NaC2H3O2 7.75

Na2CO3 11.20

Cu(NO3)3 4.73

NH4Cl 5.91

Zn(NO3)2 5.20

KAl(SO4)2 3.70

NaHCO3 8.82

- chemistry -
**DrBob222**, Wednesday, February 1, 2012 at 12:34amNaCl doesn't deviate more than 1 pH unit from 7.0.

Same for NaC2H3O2.

Hydrolysis of Co3^2- accounts for the higher pH.

CO3^2- + HOH ==> HCO3^- + OH^-

Hydrolysis of NH4Cl accounts for the lower pH.

NH4^+ + H2O ==> NH3 + H3O^+

etc.

**Answer this Question**

**Related Questions**

chemistry - For each solution whose pH value deviated from 7.0 by at least 1.0 ...

chemistry - For each solution whose pH value deviated from 7.0 by at least 1.0 ...

math - find the slope and y-intercept of the graph of the equation. explain each...

maths - 1). Is x= 3 a solution of the equation 2x+5=3(x-2)-2 2). The product of ...

adult education - How do you know if a value is a solution for an inequality? ...

11th grade maths - A.give an example of a function whose domain is {3,4,7,9}? ...

Math - The ractangle given has a perimeter of 14 units. Find the value(s) of x ...

Math- Trig - 1. Determine the exact value of cos^-1 (pi/2). Give number and ...

Chemistry - Functional groups 1. are the repeating unit of polymers. 2. are ...

Presentation - After completing the Unit 4 Live Presentation, discuss each of ...