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Keith_Richards [23]
3 years ago
13

Which are homogeneous mixtures? Check all that apply.

Chemistry
1 answer:
Furkat [3]3 years ago
8 0

Vinegar

Sugar water

Soda pop in a sealed bottle

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How many moles of MgCl2 are there in 343 g of the compound?
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The answer is 3.592?

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Oxygen has an atomic number of 8 and most commonly, a mass number of 16. thus, what is the atomic mass of an oxygen atom?
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Which of the following combinations can be used to prepare a buffer at ph 1​
xeze [42]

A buffer is a solution which resists changes to it pH when a small quantity of acid or base is added to it.

<h3>What is a buffer?</h3>

A buffer is a solution which resists changes to it pH when a small quantity of acid or base is added to it.

Buffers are made from solutions of weak acids and their salts or weak bases and their salts.

<h3>What is pH?</h3>

The pH of a solution is the negative logarithm to base 10 of yhe hydrogen ion concentration of the solution.

Solutions of low pH have high concentration of hydrogen ions while solutions of high pH have high hydrogen ion concentration.

Learn more about about buffers and pH at: brainly.com/question/22390063

7 0
3 years ago
Contrast the three types of intermolecular forces.
Virty [35]

Answer: The three major types of intermolecular interactions are dipole–dipole interactions, London dispersion forces (these two are often referred to collectively as van der Waals forces), and hydrogen bonds.

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4 0
3 years ago
Need help fast!!
stepan [7]

Answer:

The answer is "5.18 ".

Explanation:

It's a question of chemistry. Therefore, the following solution is provided:

We will first determine the solution's pOH. The following can possible:

The concentration of Hydroxide ion [OH^{-}] = 1.5\times 10^{-9}\ M

pOH =?\\\\pOH = -\log [OH^{-}]\\\\pOH = -\log 1.5\times 10^{-9}\\\\pOH = 8.82\\\\

Furthermore, the pH of the solution shall be established. It was provided as follows:

pOH = 8.82\\\\pH =?\\\\pH + pOH = 14\\\\pH + 8.82 = 14\\\\

When collecting all the like terms:

pH = 14 -8.82\\\\pH = 5.18

Therefore, the solution of pH is 5.18.

8 0
3 years ago
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