3 years ago

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1 answer:

5 0

Answer:

Hi!!!

Explanation:

Hello hope you are having a great day:)

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Dahasolnce [82]

Answer:

Explanation:

The density of a substance can be found by using the formula

$density = \frac{mass}{volume} \\$

But from the question

volume = final volume of water - initial volume of water

volume = 165 - 150 = 15 mL

We have

$density = \frac{225}{15} = 15 \\$

We have the final answer as

Hope this helps you

5 0

3 years ago

Dafna11 [192]

Answer:

Explanation:

Exothermic means the energy of products is lower than energy of reactants. Transition state will always be the highest energy among the two.

4 0

2 years ago

Lady bird [3.3K]

For the concentration of Na in M when it begins to crystallize out of the solution is mathematically given as

Na+ = 0.125M

<h3>what is the concentration of Na in M when it begins to crystallize out of the solution?</h3>

Generally, the equation for the Ksp of the solution is mathematically given as

Na⁺+CL⁻

Ksp = SxS

53.9 = s^2

S = 7.34

Molar mass Nacl 58,44

Solubility = 7.34/58.44

Solubility = 0.125M

In conclusion, the concentration of Na in M when it begins to crystallize out of the solution

Na+ = 0.125M