Explanation:
Competition policy, public policy aimed at ensuring that competition is not restricted or undermined in ways that are detrimental to the economy and society. It is predicated upon the idea that competitive markets are central to investment, efficiency, innovation, and growth.
The statement that Phenolphthalein is not
affected by PH is False
Phenolphthalein is a colorless
chemical compound, when added to alkaline
solutions it will turns pink, which means it
has been affected by the PH.
Phenolphthalein will remain colorless
if in acidic solution, that's less than PH of 7.
But at pH level of 8.2 it turns pink then at pH
10 it turns magenta.
Therefore, PH do affect Phenolphthalein
indicator
Taking into account the definition of Avogadro's Number, 7.80×10²² molecules of HCl are contained in 0.1295 moles of HCl.
<h3>
Avogadro's Number</h3>
Avogadro's Number or Avogadro's Constant is called the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance. Its value is 6.023×10²³ particles per mole. Avogadro's number applies to any substance.
<h3>This case</h3>
Then you can apply the following rule of three: if 6.023×10²³ molecules are contained in 1 mole of HCl, then 7.80×10²² molecules are contained in how many moles of HCl?
amount of moles of HCl= (7.80×10²² molecules × 1 mole)÷ 6.023×10²³ molecules
<u><em>amount of moles of HCl= 0.1295 moles</em></u>
Finally, 7.80×10²² molecules of HCl are contained in 0.1295 moles of HCl.
Learn more about Avogadro's Number:
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