nelsoneligwe7
29.10.2020 •
Chemistry
What mass, in grams, of KCl is dissolved in 350 mL of 0.24 M potassium chloride solution?
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Ответ:
p = latm
t = 273.15K
R= 0.08206 L atm mol K
75.0g02
16.00 (O₂) = 4.6875mol mol
9
Ideal gas law: PV = nRT, solve for volume: V = nRT P
V =
4.6875mol 0.08206 L-atm mol. K · 273.15K
V = 105L
latm