calculate for M:
molar mass NaCl = 58.4 g/mol5.84 g NaCl / 58.4 g/mol NaCl = 0.1 mol NaClM= 0.1 mol / 0.200 L = 0.5 M NaCl
molar mass NaCl = 58.4 g/mol
5.84 g NaCl / 58.4 g/mol NaCl = 0.1 mol NaCl
M= 0.1 mol / 0.200 L = 0.5 M NaCl
T=25.0 + 273 = 298 K
note: I will write P for osmotic pressure instead of pi
P=(0.5 M)(0.08206 atm M-1 K-1)(298K)
P = 12.2 atm
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