Massa jenis udara Mr : 28 kg/mol pada suhu 27' c dan tekanan atmosfer normal 2 atm adalah..
rzadanidila
D1. M = 28 kg/mol T = 27 derajat C = 300 K P = 2 atm = 2 x 10^5 N/m² D2. pu . . . ? D3. PV = nRT PV = m/M RT p = m/v . 1/M RT pM = pRT p = PM/RT = 2 x 10^5.28/8314 x 10^-3.3 x 10^2 = 56 x 10^5/24942 x 10^-1 = 0,0022 x 10^6 kg/m³
T = 27 derajat C
= 300 K
P = 2 atm
= 2 x 10^5 N/m²
D2. pu . . . ?
D3. PV = nRT
PV = m/M RT
p = m/v . 1/M RT
pM = pRT
p = PM/RT
= 2 x 10^5.28/8314 x 10^-3.3 x 10^2
= 56 x 10^5/24942 x 10^-1
= 0,0022 x 10^6 kg/m³