Sodium forms an ion with a charge of_
a. 1+
b. 1-
c. 2+
d.0

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

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm

Answer asap need by wednesday morning calculate the ph of 0.036m naoh best answer will be brainliest