A student needs to prepare 25.0 mL of a 0.700 M solution of NaOH (aq). The only solution available, however, is a 9.00 M stock solution of NaOH (aq). How will the student prepare the needed solution?

What pressure will be exerted by 0.675 moles of a gas at 25*c if it is in a 0.750-l container?

What type of electromagnetic radiation has a shorter wavelength than blue light

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