When solutions of sodium chloride are made for intravenous use, it must have a molarity of 0.155 M. When starting with a 5.00 L 1.00 M NaCl stock solution, how
many milliliters of the stock solution will be used to make 455 mL of the needed
solution?

Ibeg i need 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?

If a solution had a ph of 7 what is the solution

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘