Warmup Acid Base review.notebook
April 21, 2015
Warm‐up 4/21/15
1) Write the equations for the following weak acid and weak base in water. Label A, B, CA, CB
a) Weak base: CO3­2 b) Weak acid: H3PO4
2) Write the neutralization equation for H2SO4 and KOH.
3) Calculate the pH of 0.0034 M Sr(OH)2
CO3­2 + H2O B
A
HCO3­1 + OH­1
CA
CB
H3PO4 + H2O A
B
H3O+ + H2PO4­1
CA
CB
1
Warmup Acid Base review.notebook
H2SO4 + 2 KOH
April 21, 2015
2 H2O + K2SO4
0.0034 M Sr(OH)2
[OH­1] = 0.0068M
pOH = ­log(0.0068M)
pOH = 2.17 pH =11.83
2