Question

28 You have a stock solution of 14.8 M NHs. How many milliliters of this solution should you dilute to make 100.0 mL of 0.250 M NH A) 0.0016 L B) 1.69 mL C) 1.69 x 10 mL D) 27.0 mL E) 0.037 mL 29. Oxidation number of P in PO is: A) +2 B) +4 C) +5 D) +6 E) +3 30. Oxidation is the and reduction is the A) Gain of oxygen, loss of electrons B) Loss of oxygen, gain of electrons C) Loss of electrons, gain of electrons D) Gain of oxygen, loss of mass E) Gain of electrons, loss of electrons 31. In which species does sulfur have the highest oxidation number? A) S DB) HS C) SO: D) H2SO KSO4