Basic Photo Editing AssignmentSeptember 11, 2021
will send a copy of mod 3 lasa 2September 11, 2021
17. why is “c” the answer? doesnt it have H bonds?
17. Which of the following substances is LEAST likely to dissolve in water? a) HCI Ho-pole b) CH3OH – it bad c) CH3(CH2),OH d) Naci c) All of the above would be very soluble in water.
20. A 2 L-sample of 2 M Na2SO4(aq) is diluted to a total volume of 4 L. Calculate the molarity of Na ions in the resulting solution, c rec a) IMCmdlr b) 0.5 M c) 4M d) 2 M e) 0.25 M 11 Annie the ionization steps of a triprotic acid in water. Which of the following is TR-
26. The concentration of iron ions in a solution is 5.6 mg/L. Express this concentration in ppm. The density of the solution is 2.0 x 10 g/L. a) 1.12 ppm b) 1.12 * 10° ppm c) 2.8 ppm d) 3.57 * 10ppm 2.8 x 10 ppm 250ces Page 6 of 6
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