Bam makes a second solution, adding 5.01 g of Co(CH3COO)2 to 39.93 mL of H2O. Calculate the concentration of this solution in mole fraction. MWCo(CH3COO)2= 177.0212 g/mol

MWH2O= 18.015 g/mol

Density of water= 0.9975 g/mL

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