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GalinKa [24]
3 years ago
13

1. What is the mass of a solution that has a concentration of 37 g/L and a volume of 600 mL?

Chemistry
1 answer:
Ulleksa [173]3 years ago
8 0

Answer:

The answer is

<h2>22.2 g</h2>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

<h3>mass = Density × volume</h3>

From the question

density = 37 g/L

First we must change the volume from mL to L

1000 mL = 1 L

600 mL = 0.6 mL

volume = 0.6 mL

mass = 37 × 0.6

We have the final answer as

<h3>22.2 g</h3>

Hope this helps you

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A solution with a hydrogen ion concentration of 3.25 × 10-2 m is ________ and has a hydroxide concentration of _______
Romashka-Z-Leto [24]

To know the acidity of a solution, we calculate the pH value. The formula for pH is given as:

<span>pH = - log [H+]            where H+ must be in Molar</span>

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Therefore the pH is:

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To find for the OH- concentration, we must remember that the product of H+ and OH- is equivalent to 10^-14. Therefore,

[H+]*[OH-] = 10^-14 <span>
</span>[OH-] = 10^-14 / [H+]

[OH-] = 10^-14 / 3.25 × 10-2

[OH-] = 3.08 × 10-13 M

 

Answers:

Acidic

[OH-] = 3.08 <span>× 10-13 M</span>

6 0
3 years ago
How do I find the number of moles and molar mass of Gas A and Gas B with the information provided?
drek231 [11]

Answer:

A.

Explanation:

hope this helped sorry if its wrong!

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