alyssashae1818
18.01.2020 •
Chemistry
Which are the most likely products of the reaction between sodium metal and chlorine gas?
a. only sodium metal atoms
b. only a chlorine gas molecule
c. only sodium chloride compounds
d. only sodium metal atoms and a chlorine gas molecule
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Ответ:
B. 10.9 m
Explanation:
Molality of toluene = moles of toluene/mass in kilogram of benzene
Moles of toluene = mass/MW = 80/92.13 = 0.87 mole
Mass in kilogram of benzene = 80/1000 = 0.08kg
Molality of toluene = 0.87/0.08 = 10.9 m