A solution is made by mixing 19.89 mL of 4.00 M acetone, 18.31 mL of 1.00 M HCl, 10.00 mL of 0.0500 M I2 and 20.00 mL of water. What is the concentration of the HCl immediately after mixing (in M). Give your answer to 3 sig figs.

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~

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

What is the common name for the compound shown here? enter the common name of the compound shown?