Chemistry, 17.10.2019 18:20 markmlg122
The air that we breathe contains oxygen, water, nitrogen, dust, pollen, pollution, and other materials. we can clean air using an air filter. air is most likely a a compound an element a mixture a molecule
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Chemistry, 22.06.2019 16:50
Assuming complete dissociation of the solute, how many grams of kno3 must be added to 275 ml of water to produce a solution that freezes at -14.5 c? the freezing point for pure water is 0.0 c and k_f is equal to 1.86 c/m
Answers: 3
Chemistry, 22.06.2019 17:30
A650 ml sodium bromine solution has a bromide ion concentration of 0.245 m. what is the mass (g) of sodium bromide in solution? a) 103.b)0.00155.c)16400.d) 16.4.e) 0.159
Answers: 2
The air that we breathe contains oxygen, water, nitrogen, dust, pollen, pollution, and other materia...
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