Answer:
Accordingly, the number of protons, which is always equal to the number of electrons in the neutral atom, is also the atomic number.
Explanation:
Each period corresponds to a principal energy level.
Use mv=mv, plug in the know 1x9.24=3m. Solve for m, which m is 3.08M
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Answer :
The amount of sulfur emitted by a smokestack before and after the scrubber is attached
The number of moles in a substance may be calculated using:
Moles = mass / molecular mass
The molecular mass of CH₂Cl₂ is:
12 + 2 * 1 + 2 * 35.5
= 85 grams / mole
Moles = 76.1 / 85
Moles = 0.895
There are 0.90 moles of CH₂Cl₂ present in 76.1 grams.
