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zalisa [80]
3 years ago
9

What will be the charge of the ion formed from each of these atoms ?

Chemistry
1 answer:
Galina-37 [17]3 years ago
4 0

Answer:

Si14- Si^4+

As33- As^3-

Mg12- Mg^2+

Rb37- Rb^+

F9- F^-

Ge32- Ge^4+

Sn50- Sn^2+, Sn^4+

Explanation:

The elements shown in the answer have their common ions written beside them.

Silicon mostly forms positive ions in oxyacids and complex ions. Arsenic mostly forms its anion. Magnesium forms only the +2cation just as rubidium only forms the +1 cation. The fluoride ion is F^- while tin may for a +2*or +4 cation. Germanium usually forms the +4 cation.

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How many grams of Mg(ClO3)2 are needed to make 1,500 mL of a 2.5 N solution ?​
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What volume of a 1.5 M KOH solution is needed to provide 3.0 moles of KOH?
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Answer:

  • Volume = <u>2.0 liter</u> of 1.5 M solution of KOH

Explanation:

<u>1) Data:</u>

a) Solution: KOH

b) M = 1.5 M

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d) V = ?

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<u>3) Calculations:</u>

  • Solve for n: M = n / V ⇒ V = n / M

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You must use 2 significant figures in your answer: <u>2.0 liter.</u>

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