The 12.7 moles of a compound contain 7.65 x 10 24 particles.
Avogadro's number is the number of units, which could be atoms, particles, electrons, molecules, or even ions, per mole of a substance. The value of Avogadro's number is 6.02214076 x 10 23.
To answer this question, we will multiply the given moles of the compound to Avogadro's number, which will have a unit of particles/mol.
Number of particles of given compound = number of moles * Avogadro's number in particles/mol = 12.7 moles * 6.02214076 x 10 23 particles/moles
Number of particles of given compound = 7.65 x 10 24 particles
For more information regarding Avogadro's number, please refer to the link brainly.com/question/1513182.
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Answer:
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Step-by-step explanation:
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Step-by-step explanation:
Answer: Choice B)
We have some value m and we're squaring it to get
To undo this and isolate m, we apply the square root to both sides
There are two solutions here. This is similar to how there are two solutions in something like (those two solutions being x = 5 and x = -5). Squaring any negative number leads to a positive result because
negative times negative = positive.
The equations would be 100+2r and 80+5s. These equations would show how much Henry and Yolanda make each day, based on how much they sell.