please see image QUESTION 18Consider the reaction: 3Cu +2H,PO→Cu,(PO,)xam) +3HWhat minimum volume of 3.50 M H 3 PO 4 is required to produce 10.0 L of H 2 at STP?O 117.6 LO 8.50 x 10-2 L1.91 x 10-L523 LQUESTION 19Calculate [OH-] given [H 3 o*]=1.40x10 -4 M.Click Save and Submit to save and submit. Click Save All Answers to save all ansuers.05Assignmentvfall2...docxWc924a52eb5e89233....docxc924a52eb5e89233....docxOpen fileOpen fileOpen filee Type here to search

Since you have asked multiple questions, we will solve first question for you. If you want any specific question to be solved please specify the question number or post only that question. 18. In the given reaction, 3 mol of copper reacts with 2 mol of phosphoric acid to form 1 mol of copper phosphate and 3 mol of hydrogen gas.At STP, the temperature of the gas is 273 K. Pressure of the gas is 1 atm. Volume of the hydrogen gas is 10 L. Ideal gases are those gases which follow ideal gas equation. The relation between pressure, volume, number of moles, ideal gas constant and temperature is represented by this equation. Write the expression of Ideal gas equation. PV=nRT where P is the pressure of the gas in atm, V is the volume of the gas in L, n is the number of moles, R is the ideal gas constant and T is the temperature of the gas.Calculate the number of moles of hydrogen gas. n=PVRT Substitute all the values to calculate the number of moles of H2 gas. nH2=1 atm10 L0.0821 Latm/molK273 K=0.45 mol Therefore, the number of moles of hydrogen gas are 0.45 mol. Calculate the number of moles of phosphoric acid reacted to form hydrogen gas. nH3PO4=3 mol2 mol0.45 mol=0.675 mol So, the number of moles of phosphoric acid are 0.675 mol. Molarity of a solution is equal to the number of moles of phosphoric acid present in one liter of a solution. Molarity of phosphoric acid is 3.50 M. Calculate the volume of phosphoric acid. V=0.675 mol3.50 M=0.675 mol3.50 mol/L=0.191 L=1.91×10-1L Therefore, option third is the correct answer.

Answered: Consider the reaction: 3Cu +2H;PO(aq)…

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Consider the reaction: 3Cu +2H;PO(aq) →Cu; (PO,)2cag) +3H2(3) What minimum volume of 3.50 MH 3 PO 4 is required to produce 10.0 L of H 2 at STP? 117.6 L 8.50 x 10-2 L 1.91 x 10-1 L 523 L

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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