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H2O = 1 x 2 + 16 => 18,0 g/mol
número de moles del soluto :
1 mole H2O ------------ 18,0 g
?? ------------------------- 180 g
moles H2O = 180 x 1 / 18,0
moles H2O = 180 / 18,0
moles H2O = 10,0 moles
Volumen en litros :
1 L = 1000 mL
1400 / 1000 => 1,4 L
entonces:
M = n / V
M = 10,0 / 1,4 =
=> 7,142 M
mol = masa/Mm
mol = 180 g/ 18 g/mol = 10 mol
V = 1400 / 1000 = 1,400 L
M = 10 mol / 1.4 L
M = 7.14 mol/L