Question

Practice Problems What is the molarity of a solution of NaOH if 25 mL of 1.2 M HCI is required to neutralize 15 mL of the base? What valume of 1.5 M HCI is required to completely neutralize 1B ml, of 2.0 M KOH? Per f 25.)- How many mL of 3.0 M HNO, can be completely neutralized by 75 mL of 1.5 M Mg(OH)2 solution? If 150 mL of 1.0 M HCI is completely neutralized by 25 mL of NaOH solution, what is the molarity of the NaOH? F- Per fu er OH 1 H 40.0 mL of a 0.80 M solution of HSO, completely neutralizes 100 mL of NaOH, What is the molarity of the NaOH solution? How many mL of 2.5 M H,SO4 solution can be neutralized by 250 mL of 1.0 M Ca(OH), solution? 2 H 2 H 85 mL of 0.75 M NaOH is completely neutralized by 15 mL of H SO4. What is the molarity of the H2SO, solution? What volume of 1.5 M Ca(OH), is needed to neutralize 36 mL of 3.0 M phosphoric acid, HsPO ? 2 OH 3 H I OH Z Ht

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Answer 1

Formula: 9, M, Vi= az M₂ V a: basicity lacidity M: molarity vi volunie. (no. of Ht / ore ione) 0 , ② , ③ t left side him Questions 0 x 95 x 12 = 1x15x M2 M₂ = 25x1.2 is M₂=2.0M ② lxvx1.5M = 1x 18mLX 2.0M =D Vi= 18 x 2 T-S via 24 mL 1x 150ML x 1.0M = 1x 25 mL X M2 =D M₂ - 150 x 25 M2=6M O D Vi= 2x75x15 IX V, X 3.0M=gX 75 ml XISM v =75 ml 7 2x V, 02.5M = 2x 250mL4l.OM D Vi= 2X250 2x 2.5 V = 100mL D M2= 2x40xo.o 62 x 40 ml 0.8M = 1xloomLXM2 M2 = 0.64M