Q3: ( f) 1.61 g of unknown volatile liquid has been vaporization in conical flask with volume 200 ml at 107 C° and 1.64 atm, Calculate the molar mass of liquid (gas constant -0.0821 L.atm/K.mol).

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Q 3 please
Q1:
Q2:-
1) Sample of aluminum was reacted with HCI solution to produce He gas according to the data
find the percent by mass of aluminum (A1%)
Mass of sample
Volume of gas collect
Pressure of H₂
Temperature of H₂
Gas constant (R)
Molar mass of Al
1- Calculate Ksp
0.05 g
45 ml
0.911 atm
28 Co
0.0821 (atm. L/mol. K)
26.98 g/mol
16 ml Mg (OH)2 saturated solution with suitable indicator react with 10 ml HCI (0.5 M).
2- Calculate the Ksp after added 10 ml MgCl₂ solution to Mg (OH)2 saturated solution if the amount of HCI
(0.5 M) used to reach the end point is 5 ml
Q3: (
f) 1.61 g of unknown volatile liquid has been vaporization in conical flask with volume 200
ml at 107 C° and 1.64 atm, Calculate the molar mass of liquid (gas constant=0.0821 L.atm/K.mol).
Transcribed Image Text:Q1: Q2:- 1) Sample of aluminum was reacted with HCI solution to produce He gas according to the data find the percent by mass of aluminum (A1%) Mass of sample Volume of gas collect Pressure of H₂ Temperature of H₂ Gas constant (R) Molar mass of Al 1- Calculate Ksp 0.05 g 45 ml 0.911 atm 28 Co 0.0821 (atm. L/mol. K) 26.98 g/mol 16 ml Mg (OH)2 saturated solution with suitable indicator react with 10 ml HCI (0.5 M). 2- Calculate the Ksp after added 10 ml MgCl₂ solution to Mg (OH)2 saturated solution if the amount of HCI (0.5 M) used to reach the end point is 5 ml Q3: ( f) 1.61 g of unknown volatile liquid has been vaporization in conical flask with volume 200 ml at 107 C° and 1.64 atm, Calculate the molar mass of liquid (gas constant=0.0821 L.atm/K.mol).
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