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nasty-shy [4]
2 years ago
11

Group 17 is called the halogen family, and the group to its right is called the noble gases. How are the elements in these group

s alike and how are they different?
Chemistry
1 answer:
Firlakuza [10]2 years ago
7 0

Answer: they all have 7  electrons they have different atom sizes

Explanation: hope it helps

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How many atoms are in 0.0246 mol K?
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Answer:

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Explanation:

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describe how a pure dry sample of solid lead carbonate can be obtained from sodium carbonate solution and lead nitrate solution
djyliett [7]

Answer:

Soluble salts can be made by reacting acids with soluble or insoluble reactants. Titration must be used if the reactants are soluble. Insoluble salts are made by precipitation reactions.

Making insoluble salts

An insoluble salt can be prepared by reacting two suitable solutions together to form a precipitate.

Determining suitable solutions

All nitrates and all sodium salts are soluble. This means a given precipitate XY can be produced by mixing together solutions of:

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For example, to prepare a precipitate of calcium carbonate:

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mix calcium nitrate solution and sodium carbonate solution together

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Ca(NO3)2(aq) + Na2CO3(aq) → 2NaNO3(aq) + CaCO3(s)

It also works if potassium carbonate solution or ammonium carbonate solution is used instead of sodium carbonate solution. Remember that all common potassium and ammonium salts are soluble.

please mark as brainliest

Explanation:

7 0
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