BA 0.0763 atm B 3.41 atm 8.93 atm as contains 8.082 moles of methane (CH). 1.249 moles of the card 0.131 opane (C3Hg). If the total pressure of the gases is 4.01 atm what the partial pressures propane (C3H8)? 0.527 atm LA Question 22 9 The name of log is 00 8 A dilodine pentoxide Question 24 Po LA The density of water is 1.00 g/mL at 4C.How many water molecules are present in 2.66 mL of water at this temperature? 3 A 4.89 X 10 22 molecules B 5.59 X 10 22 molecules LA Question 26 How much gram of potassium dichromate [K2Cr2O7 molar mass=294.2 g/mol required to make 755 m. of 0.4592 M aqueous solution? 48.568 78 minutes remaining NO Save and Close Submit Last soved 12:11:09 AM 99.788 BA Question 27 Calculate the mass in grams of aluminum iodide (Alla) when 21.10 g of alumnum (All reacted completely with iodine (12) according to this equation: 2A + 312 -2Allz 318.88 LA 167.78 323.08 29 The freezing points and boiling points of the solution which contains 320g Nac in 129 ml of water is and respectively [kr for water=1.86C/m; ko for water=0.52 C/m; density of water = 1 g/mL] BA - 15.79C : 104.41C 10.90C : - 103.05C - 1.59C : 100.5C -1.90C: 103.05C Question 31 When a 0.952 g sample of an organic compound containing Candon burete 1.35 g of CO2 and 0.826 g of H20 are produced. What is the empirical forma and are compound if the molar mass is 62.09 g/mol BA A Empirical formula - C.W..O molecular formule cho B Empirical formula - C,,O molecular formule CHP Empirical formula. CHO molecular formula. C.H. Empirical formula C molecular formula C LA Additional content for atomic or molecular mas BA 20 IMPORTANT PHYSICAL CONSTANTS 1) T(K)= T(C) +273.15 2) NA = 6.022 X10 23 /mol 3) R=0.0821 L.atm/K. mol 4) 1 atm= 760 mmHg 5) RH=2.18 X10-18) 6) h=6.626 X10-31.5 7) = 3.0 X10 m/s 8) 1 nm = 10m Use the editor to format your answer 8 LA re