________ function by absorbing excess hydrogen or hydroxide ions.
2 answers:
Answer: Buffer solution
Explanation:
Buffer is a solution which resists changes in pH when small quantities of acid or alkali are added to it.
It is formed by combination of weak acid and salt of weak acid with strong base called as acidic buffer.Example: and
Or it is formed by combination of weak base and salt of weak base with strong acid called as basic buffer buffer. Example: and
When acid is added to buffer, the buffer releases ions to neutralize the acid added and when base is added to buffer, the buffer releases
ions to neutralize the base added.
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The number of moles that are contained in the given mass of propane ( is 1.7143 moles.
<u>Given the following data:</u>
- Mass of propane = 75.6 grams.
<u>Scientific data:</u>
- The molar mass of propane = 44.1 g/mol.
To calculate the number of moles that are contained in the given mass of propane ():
In this exercise, you're required to determine the number of moles of propane that are contained in the given sample:
Mathematically, the number of moles contained in a chemical compound is given by this formula:
Substituting the given parameters into the formula, we have;
Number of moles = 1.7143 moles.
Read more on number of moles here: brainly.com/question/3173452