Question

Date Data Sheet determination 2 mass Mg, 8 number of moles Mg 075 24. 30 0759 0.089 603 votes-0033 Mules 08 - 24.3 100ML TOUML 70mL 64mL 30mL 36eml initial syringe volume, mL final syringe volume, mL volume, Hz (), ml barometric pressure, tort vapor pressure of water, torr corrected pressure, atm 762 762 8 979 919 20°C 20°C 293k 2938 temperature, 'C temperature, K R, mL atm K-mol- average R, mL atm K-mol-'

How do I find the R at the bottom?

Answer 1

100 64 762 toor Trial #1 Trial #2 Mass Mg (g) 0.075 0:080 No. of moles of mg 110.075/24.3) -0.0031 (0.080/24:3)=0.0033 Initial syringe volume and 100 Final Syringe Vol. (mL) 70 volume H2(g), ml (100-70) = 30 (100-64) = 36 Barometric pressure : 762 'ctors vapor poressure of water 18 corrected pressure (ata) (762–18)/760 =1979 0.979 Temperature (°C) T 20 20 Temperature CW . (273+20) = 293 293 . R(mL-atm Knoll) 32.335 36:450 Average R Cub aetus mol-'k') T 34.3925 calculation for 'R'. Mg(s) + 2HCl(aq) = Mg42(09) + H229) 1 mot. For trial 1 + no. of moles of Hy gas produced = 0.0031" Now, PV = nRT OF R = (PV/MT) = 109979 x 30: 29.735 0:0031 X 293)* For trial 2 + R = (punt) =10.979x 36 10:0033x 29 3)=. 36450 - molo