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gizmo_the_mogwai [7]
4 years ago
8

According to the _____ hypothesis the solar system formed from a cloud of dust and gas

Chemistry
2 answers:
Dafna11 [192]4 years ago
7 0
It's the Nebular Hypothesis.
telo118 [61]4 years ago
4 0
Isn't is the big bang theory
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The density of a 20.3 m ch3oh (methanol) solution is 0.858 g/ml. what is the molality of this solution? h2o is the solvent.
aliina [53]

The difference of molarity and molality is in the units:

Molarity is expressed in mol solute / L solution;

<span> while Molality is expressed in mol solute / kg solvent</span>

Since no other data is given, let us assume that the contribution of methanol on the total volume is negligible. So that,

Molality = (20.3 mol / L) (1 L / 0.858 kg)

Molality = 23.66 m

<span>The closest answer is letter C. 23.7 m</span>

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masya89 [10]
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4 years ago
3. Where are the metals and nonmetals located on the periodic table? What are some
xxTIMURxx [149]

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