What volume of 0416M MgNO 3 2 should be added to 255 mL of 0102 M KNO 3 to

# What volume of 0416m mgno 3 2 should be added to 255

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9.What volume of 0.416M Mg(NO3)2should be added to 255 mL of 0.102 M KNO3to produce a solution with a concentration of 0.278 M NO3ions? Assume volumes are additive. (4 points) ) = 2 - 3 5 Copyright © 2017 by Thomas Edison State University . All rights reserved.
0.554x = 0.07089 - 0.02601 0.554x = 0.04488 x = .081 L or 81 mL 10.Describe how to prepare 1.00 L of 0.646 MHCl solution, starting with 2.00 MHCl solution. (4 points) 2 11.Calculate the volume in mL of a 1.420 MNaOH solution required to titrate the following solutions: (9 points) ) ( b.25.00 mL of a 4.500 MH2SO O O SO4) ( (4.5mol H2SO4)1L H2SO4) ( 2mol NaOH1mol H2 ) ( c.25.00 mL of a 1.500 MH 6Copyright © 2017 by Thomas Edison State University
25 mL H 3 PO 4 ( 1 L H 3 PO 4 1000 mL H 3 PO 4 ) ( ( 1.5 mol H 3 PO 4 ) 1 LH 3 PO 4 ) ( 3 mol NaOH 1 mol H 3 PO 4 ) ( 1 L NaOH 1.420 mol NaOH ) = 79.22 mL