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Question 16 When H;PO4 will be dissolved into water, the solution has these ions: H*; HPO,2-; H2PO4;PO43-. Arrange them in increasing concentration order. a) PO43- < HPO42-< H2PO4< H* c) H* < H2PO4"< HPO,2-< PO43- b) H*< PO43-< HPO,2-< H2PO4- d) H* < H2PO4< HPO42-< PO43-

Question 16 When H;PO4 will be dissolved into water, the solution has these ions: H*; HPO,2-; H2PO4;PO43-. Arrange them in increasing concentration order. a) PO43- < HPO42-< H2PO4< H* c) H* < H2PO4"< HPO,2-< PO43- b) H*< PO43-< HPO,2-< H2PO4- d) H* < H2PO4< HPO42-< PO43-

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question 14 Choose the CORRECTanswer: Giving the reaction 2A (g) + B(g)→ C The reaction rate expression is: a) v = k.CA?.CB b) v= k. Ce c) v= k.CAm.CB" ,with m, n are the experimental values. d) v= k.CAm.CB", with m,n are the values from reaction equation Question 15 The reaction: 2A + 2B + C → D + E has the characteristics: * [A], [B] the same, [C] increases 2 times, velocity v is stable. * [A]. [C] the same, [B] increase 2 times, velocity v increases 2 times. * [A] and [B] increase 2 times, velocity v increase 8 times All the experiments are at the same temperature The expression ofv by A, B, C is: a) v = k[A][B][C] Question 16 When H;PO4 will be dissolved into water, the solution has these ions: H*; HPO,2; H,PO4"; PO43-. Arrange them in increasing concentration order. b) v = k[A][B]? c) v = k[A]°[B][C] d) v = k[A}°[B] a) PO43- < HPO42-< H2PO4< H* c) H* < H2PO4"< HPO42-< PO43- b) H*< PO43-< HPO,2-< H2PO4- d) H* < H2PO4< HPO42-< PO43-
Transcribed Image Text:Question 14 Choose the CORRECTanswer: Giving the reaction 2A (g) + B(g)→ C The reaction rate expression is: a) v = k.CA?.CB b) v= k. Ce c) v= k.CAm.CB" ,with m, n are the experimental values. d) v= k.CAm.CB", with m,n are the values from reaction equation Question 15 The reaction: 2A + 2B + C → D + E has the characteristics: * [A], [B] the same, [C] increases 2 times, velocity v is stable. * [A]. [C] the same, [B] increase 2 times, velocity v increases 2 times. * [A] and [B] increase 2 times, velocity v increase 8 times All the experiments are at the same temperature The expression ofv by A, B, C is: a) v = k[A][B][C] Question 16 When H;PO4 will be dissolved into water, the solution has these ions: H*; HPO,2; H,PO4"; PO43-. Arrange them in increasing concentration order. b) v = k[A][B]? c) v = k[A]°[B][C] d) v = k[A}°[B] a) PO43- < HPO42-< H2PO4< H* c) H* < H2PO4"< HPO42-< PO43- b) H*< PO43-< HPO,2-< H2PO4- d) H* < H2PO4< HPO42-< PO43-
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