Nồng độ mol của 200ml dung dịch Nacl chứa 0,5 mol chất tan là :
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Mol of Kr gas = 1.244
<h3>Further explanation</h3>In general, the gas equation can be written
<h3> PV=nRT </h3>where
P = pressure, atm
V = volume, liter
n = number of moles
R = gas constant = 0.08205 L.atm / mol K
T = temperature, Kelvin
P=1.31 atm
V=23.3 L
T=26+273=299 K
mol of sample :