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Marina CMI [18]
3 years ago
5

What element is located in group 2, period 2?

Chemistry
1 answer:
telo118 [61]3 years ago
7 0

This element is beryllium.

If you find my answer helpful, please brainliest me!

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If the molar mass of calcium hydroxide (Ca(OH)2) is 74.1 g/mol, how many grams of calcium hydroxide are required to prepare 2.00
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Answer:

88.92 grams of Ca(OH)₂ are required

Explanation:

Molarity means mol/L, so 0.6 M are the moles of solute in 1 L of solution.

In 2 L, we 'll have the double of moles, 1.2

Mol . molar mass = grams

1.2 mol . 74.1 g/m = 88.92 grams of solute

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What is the molar mass of a substance?
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Give the number of protons, neutrons and electrons in 99Tc
miss Akunina [59]

Explanation:

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Mass number = number of protons + number of neutrons

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learn more:

Atomic number brainly.com/question/2057656

#learnwithBrainly

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