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Oksana_A [137]
3 years ago
11

Which is true about dissolving a polar substance in water?

Chemistry
2 answers:
iVinArrow [24]3 years ago
7 0

Answer:C

Explanation:

gtnhenbr [62]3 years ago
4 0

Answer:

the answer is B

Explanation:

GOOD LUCK!!!!!!! :D

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What is the concentration of sodium phosphate contains 0.60 M Na+?
jekas [21]
Sodium phosphate has a chemical formula
Na2PO4
Calculating the concentration of sodium phosphate given a concentration of sodium ions can be done using dimensional analysis
0.60 moles/L Na+ (1 mole Na2PO4 / 2 moles Na+) = 0.30 moles/L Na2PO4
= .030 M Na2PO4
5 0
4 years ago
Which subatomic particle is the identity of the atom and why?
Pavel [41]
That would be the proton.  The number of protons in the nucleus determine which  element it is and its properties.
6 0
3 years ago
What does D represent?
yuradex [85]

Answer:

The energy of the reactants.

3 0
3 years ago
Z=3 1s2 express answer as an ion
sashaice [31]

Answer:

The element with electronic configuartion  1s² and atomic number 3 must be an cation.

Explanation:

The "Z" shows the atomic number. Z stand for zahl. It Is German word and meaning is " number".

In given question Z is equal to three which means an element with atomic number three.

Let consider the X is an element with atomic number three having electronic configuration 1s², but according to this atomic number there should be one more electron present is 2s. If X has the electronic configuration 1s² it means that it lose one electron and X is present in the form of cation.

X⁺ =  1s²

7 0
3 years ago
Consider two aqueous nonvolatile and nonelectrolyte solutions, each with a solute concentration of 1 M. One contains glucose, wh
Svetach [21]

Answer:

a and b are correct

Explanation:

This because both are aqueous solutions,therefore, identity of solvent is same that is water.

And because both solutions are non electrolyte they would not ionize in solution, and for the same concentration, the freezing point of both solution would also be  same. Since depression in freezing point is a colligative property this means that it depends on number of solute particles not nature of particles .

Hence answer is that  their freezing points and  Identity of the solvent shall remain the same.

8 0
4 years ago
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