1.) Calculate the pH of a 0.150 M solution of Na2HPO4. Report just the numerical answer with two digits past the decimal point. Do not include pH = or anything other than the number.
Acid
Ka
H3PO4
7.1 x 10-3
H2PO4-
6.3 x 10-8
HPO42-
4.5 x 10-13
2.) Calculate the pH of a 0.150 M solution of NH4NO3. Report just the numerical answer with two digits past the decimal point. Do not include pH = or anything other than the number. NOTE: this will be the calculated pH on the report form for this week.
Acid
Ka
HNOÂ3
>>1
NH4+
5.6 x 10-10
3.) Calculate the pH of a 0.150 M solution of KCl. Report just the numerical answer with two digits past the decimal point. Do not include pH = or anything other than the number. NOTE: this will be the calculated pH on the report form for this week.
Acid
Ka
HCl
>>1
1.) Calculate the pH of a 0.150 M solution of Na2HPO4. Report just the numerical answer with two digits past the decimal point. Do not include pH = or anything other than the number.
| Acid | Ka |
| H3PO4 | 7.1 x 10-3 |
| H2PO4- | 6.3 x 10-8 |
| HPO42- | 4.5 x 10-13 |
2.) Calculate the pH of a 0.150 M solution of NH4NO3. Report just the numerical answer with two digits past the decimal point. Do not include pH = or anything other than the number. NOTE: this will be the calculated pH on the report form for this week.
| Acid | Ka |
| HNOÂ3 | >>1 |
| NH4+ | 5.6 x 10-10 |
3.) Calculate the pH of a 0.150 M solution of KCl. Report just the numerical answer with two digits past the decimal point. Do not include pH = or anything other than the number. NOTE: this will be the calculated pH on the report form for this week.
| Acid | Ka |
| HCl | >>1 |
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