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prohojiy [21]
3 years ago
11

When the glucose solution described in part A is connected to an unknown solution via a semipermeable membrane, the unknown solu

tion level rises. Based on this information, what can be said about these two solutions? a. The unknown solution had the lower concentration. b. The unknown solution had the higher concentration. c. The two solutions have the same concentration.
Chemistry
1 answer:
algol133 years ago
4 0

Answer:

B

Explanation:

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Light years? if you are talking about the distance to the star.
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Consider the following elementary reaction:
Fudgin [204]

Explanation:

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7 0
3 years ago
Determine the number of grams of magnesium oxide if you have 2.63 moles of magnesium oxide.
ANTONII [103]

The number of grams of Magnesium oxide= 106 g

<h3>Further explanation</h3>

Given

2.63 moles of Magnesium oxide

Required

mass of Magnesium oxide

Solution

The mole is the number of particles contained in a substance

<em> 1 mol = 6.02.10²³ </em>

Moles can also be determined from the amount of substance mass and its molar mass

Mol = mass : Molar mass

Mass of Magnesium oxide(MgO, MW=40.304 g/mol) :

= mol x MW

= 2.63 x 40.304

= 106 g

3 0
3 years ago
How many resonance structures or isomers does ch4 have?
Diano4ka-milaya [45]

Answer : Methane CH_{4} does not has any resonating structures or isomers.


Explanation : Methane has tetrahedral geometry where all the valence bonds of carbon are satisfied with hydrogen atoms which are similar to each other. They also do not produce any lewis dot structure. Therefore, methane cannot have resonating structures.

6 0
3 years ago
Read 2 more answers
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