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jek_recluse [69]
3 years ago
10

Choose the atom that has the largest atomic radius. a. Cl b. S c. Na d. Si

Chemistry
2 answers:
BabaBlast [244]3 years ago
8 0
Its Na the answer b….
olya-2409 [2.1K]3 years ago
3 0

Answer:

the correct answer is option C. Na

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How many grams of tris (mw 121.1) would you need to prepare 100 ml of a 100 mm tris solution? _________ grams?
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Molarity = (Mass/ molar mass) x (1/ volume of solution in Litres)

Mass = Molarity x molar mass x  volume of solution in Litres

Molarity of Tris = 100 mM = 0.1 M

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molar mass of Tris = 121.1 g/mol

Hence,

mass of Tris = Molarity of Tris x molar mass ofTris x volume of Tris solution

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3 years ago
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ValentinkaMS [17]

The correct answer is <em>B. a Salt </em><em>because The reaction of an acid and a base is called a neutralization reaction because the properties of both the acid and base are diminished or neutralized when they react. A neutralization reaction is a reaction of an acid with a base in aqueous solution to produce water and a salt, as shown by the following equation:</em>

<em>acid + base → salt + water</em>

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<em>* Hopefully this helps:) Mark me the brainliest:) </em>

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Why must each atom of an element always have the same number of protons?
Yuliya22 [10]
Atoms do not always contain the same number of electrons and protons, although this state is common. When an atom has an equal number of electrons and protons, it has an equal number of negative electric charges (the electrons) and positive electric charges (the protons). The total electric charge of the atom is therefore zero and the atom is said to be neutral. In contrast, when an atom loses or gains an electron (or the rarer case of losing or gaining a proton, which requires a nuclear reaction), the total charges add up to something other than zero.
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If you can run 3 miles in 19 minutes. What is your pace in kilometers per hour?
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Answer:

10.1389

Explanation:

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