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I have to complete questions 12-15. I have completed questions 1-11 and the answers for these questions may be helpful. I can provide this info as well if needed
I have to complete questions 12-15
Mwater = 2,543 g wet soil – 2,085 g dry soil = 458 g H2O Ɵg = = 0.22 g/g Ɵv = * = 0.29 cm3/cm3 ΡB = = 1.32 g/cm3 PS = 1 – = 0.50 cm3/cm3 AFPS = PS – Ɵv = 0.50 cm3/cm3 – 0.29 cm3/cm3 = 0.21 cm3/cm3 WFPS = PS – AFPS = 0.50 cm3/cm3 – 0.21 cm3/cm3 = 0.29 cm3/cm3 (Ɵv day playground is installed) = (Ɵv of sample from 3 days ago) – (Ɵv decrease/day)*(# of days) Ɵv = 0.29 cm3/cm3 – (0.03 cm3/cm3 * 4 days) Ɵv = 0.29 cm3/cm3 – 0.12 cm3/cm3 = 0.17 cm3/cm3 If: Ɵv = , substitute x for masswater and 0.17 cm3/cm3 for Ɵv; volume is known 0.17 cm3/cm3 = x = 0.17 cm3/cm3 * 1570.8 cm3 = 267 g H2O Ɵg = = = 0.12 g/g