How is end point differed from equivalence point?

What is the value of keq for the reaction expressed in scientific notation?

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

In the space, show a correct numerical setup for calculating the number of moles of co2 present in 11 grams of co2