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Feliz [49]
1 year ago
7

Which solutions is more basic: a solution with a pH of 9 or a solution with a pH of 12?

Chemistry
1 answer:
Nuetrik [128]1 year ago
5 0

Answer:

Explanation:

pH= 7 is neutral, pH<7 - acidic solutions,

pH>7 - basic solution.

The more value of pH, the more basic solution is.

So, the solution with pH = 12 is more basic.

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A gas expands from a volume of 2.00L at 36.0oC to a volume of 2.50 L, what is the final temperature, if the pressure is constant
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We shall consider V, the volume and T, the temperature.
According to Boyle's Laws:
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A bar of copper has a mass of 216g and a volume of 24cm^3. What is the density of copper?
7nadin3 [17]

Answer:

<h2>The answer is 9 g/cm³</h2>

Explanation:

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

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

From the question

mass = 216 g

volume = 24 cm³

The density is

density  =  \frac{216}{24}   \\

We have the final answer as

<h3>9 g/cm³</h3>

Hope this helps you

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