40 ! 8 which equation represents what happens when a small amount of strong base is added to the buffer? oh- + a- a2- + h2o oh- + ha a- + h2o h3o+ + a- ha + h2o h3o+ + ha h2a+ + h2o

The compound methyl butanoate smells like apples. its percent composition is 58.8% c, 9.9% h, and 31.4% o. what’s the empirical formula ?

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

The appropriate concentration for an iodine sanitizer is