Draw a picture of the moon and sun illustrating the full moon phrase
2 answers:
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Answer:
<h2>6.91 </h2>Explanation:
To find the pH we must first find the pOH
The pOH can be found by using the formula
pOH = - log [ {OH}^{-} ]
We have
pOH = 7.09
Next we use the equation
pH = 14 - pOH
We have
pH = 14 - 7.09
We have the final answer as
<h3>6.91</h3>Hope this helps you
<u>Answer:</u> The correct answer is Option 1, Option 2 and Option 3.
<u>Explanation:</u>
A base is defined as the substance which releases hydroxide ion when dissolved in water.
For the given options:
- <u>Option 1:</u>
When ammonia is dissolved in water, it produces ammonium hydroxide which forms a basic solution.
- <u>Option 2:</u>
When sodium oxide is dissolved in water, it produces ammonium hydroxide which forms a basic solution.
- <u>Option 3:</u>
When lithium hydroxide is dissolved in water, it produces aqueous lithium hydroxide which forms a basic solution.
- <u>Option 4:</u>
When phosphorus pentoxide is dissolved in water, it produces phosphoric acid which forms an acidic solution.
Hence, the correct answer is Option 1, Option 2 and Option 3.