calculate the PH of following solution.
1.40ml 0.05M Na2CO3 + 50 ml of 0.040M of HCL
2.40 ml of 0.020M Na3Po4 + 40 ml of 0.040M of HCL
3. 50 mi of 0.1M Na3PO4 +50ml of 0.1M NaH2PO4
use data the following.
CO2+H20 EQL H+ +HCO3- K1 = 4.2X10^-7
HCO3- EQL H+ + CO3-2 K2=4.8X10^-11
H3PO4 EQL H+ + H2PO4- K1=7.3X10^-3
H2PO4- EQL H+ + HPO4-2 K2=602X10^-8
HPO4-2 EQL H+ + PO4-3 K3=1.0X10^-13
calculate the PH of following solution.
1.40ml 0.05M Na2CO3 + 50 ml of 0.040M of HCL
2.40 ml of 0.020M Na3Po4 + 40 ml of 0.040M of HCL
3. 50 mi of 0.1M Na3PO4 +50ml of 0.1M NaH2PO4
use data the following.
CO2+H20 EQL H+ +HCO3- K1 = 4.2X10^-7
HCO3- EQL H+ + CO3-2 K2=4.8X10^-11
H3PO4 EQL H+ + H2PO4- K1=7.3X10^-3
H2PO4- EQL H+ + HPO4-2 K2=602X10^-8
HPO4-2 EQL H+ + PO4-3 K3=1.0X10^-13