Question

Berapa massa 9,47 liter gas so3 yang diukur pada temperatur 27°c dan tekanan 74 hg

Answer 1

V = 9,47 L

T = 27°C = 27 + 273 = 300° K

P = 74 hg? Mungkin maksudmu 74cmHg. Saya anggap begitu ya.

1atm = 76 cmHg

P = 74 cm Hg = 74/76 atm = 37/38 atm

PV = n RT

(37/38) × 9,47 = n × 0,082 × 300

9,22 = n × 24,6

n = 0,375 mol

Mr SO3 = Ar S + 3 Ar O

= 32 + (3×16)

= 32 + 48 = 80

Massa = mol × Mr

= 0,375 × 80

= 30 gram