In the laboratory a student combines 36.8 mL of a 0.441 M sodium chloride solution with 27.5 mL of a 0.385 M sodium nitrate solution. What is the final concentration of sodium cation ?
M

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?

Between 2014 and 2016, more than 25,000 children in flint, michigan, drank water that was contaminated with lead from lead pipes. during this time, the city claimed the water was safe to drink. which of these actions could the city have taken to ensure that the drinking water was free from lead?

How many moles of gas are present if p=11 atm, v=12l, t=185k?