balance the following
_c3h8+_o2 > _co2+_h2o

a. 1,5,3,4
b. 2,10,6,8
c. 1,7,4,5
d. 1,2,3,4

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.