If 22.50 ml of a sodium hydroxide solution is necessary to neutralize 18.50 ml of a 0.1430 m hno3 solution, what is the concentration of the naoh? (report your answer in molarity.)

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