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erik [133]
3 years ago
12

Which types of orbitals are found in the principal energy level n = 2?

Chemistry
1 answer:
Nonamiya [84]3 years ago
8 0
The answer is d on brainly
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It's 1. Melting a substance. The rest are chemical changes
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3 years ago
What is the pH of a solution whose hydronium ion [H20+] (or proton [H+1)
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pH =  -  log(7.6 \times  {10}^{ - 5} )  \\ pH = 4.12

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2 years ago
How many grams of agcl would be needed to make a 4. 0 m solution with a volume of 0. 75 l?
devlian [24]

430 g of AgCl would be needed to make a 4.0m solution with a volume of 0.75 L.

<h3>What is Molarity?</h3>
  • The amount of a substance in a specific volume of solution is known as its molarity (M).
  • The number of moles of a solute per liter of a solution is known as molarity.
<h3>Calculation of Required amount of AgCl</h3>

Remember that mol/L is the unit of molarity (M).

We can compute the necessary number of moles of solute by multiplying the concentration by the liters of solution, according to dimensional analysis.

0.75L×4.0M=3.0mol

Then, using the periodic table's molar mass for AgCl, convert from moles to grams:

3.0mol×143.321gmol=429.963g

The final step is to round to the correct significant figure, which in this case is two: 430g.

Hence, 430 g of AgCl would be needed to make a 4.0m solution with a volume of 0.75 L.

Learn more about Molarity here:
brainly.com/question/8732513

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1 year ago
What type of ion and what charge does sulfur form?
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Two scientists did the same experiment but arrived at different results. The results would most likely be ?
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They did not have accurate data and information.

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3 years ago
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