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AfilCa [17]
2 years ago
9

The ions Ca2+ and PO43- form salt with the formula

Chemistry
2 answers:
marta [7]2 years ago
7 0

Ca3(PO4)2 is the answer.

Minchanka [31]2 years ago
3 0

Answer : The formula for the compound is Ca_3(PO_4)_2

Explanation :

For formation of a neutral ionic compound, the charges on cation and anion must be balanced.

The cation is formed by loss of electrons by metals and anions are formed by gain of electrons by non-metals.

In the given question, the calcium metal forms an ionic compound with polyatomic anion (phosphate) PO_4^{3-}.

Here, calcium is having an oxidation state of +2 called as Ca^{2+} cation and phosphate PO_4^{3-} is an anion with oxidation state of -3. The charges are not balanced. So, the charges are balanced by the cris-cross method. Thus, the compound formed will be, Ca_3(PO_4)_2

Hence, the formula for the compound is Ca_3(PO_4)_2

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2 years ago
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____ [38]

Answer:

m_{Mg}=30.8mgMg

Explanation:

Hello,

Based on the given chemical reaction, as 31.2 mL of hydrogen are yielded, one computes its moles via the ideal gas equation under the stated conditions as shown below:

n_{H_2}=\frac{PV}{RT}=\frac{754torr*\frac{1atm}{760torr}*0.0312L}{0.082 \frac{atm*L}{mol*K}*298.15K}=1.27x10^{-3}molH_2

Now, since the relationship between hydrogen and magnesium is 1 to 1, one computes its milligrams by following the shown below proportional factor development:

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Ligands that cause a large crystal field splitting such as CN^- are called strong field ligands. They lead to the formation of diamagnetic species. Strong field ligands occur towards the end of the spectrochemical series of ligands.

Hence the complex, Fe(CN)6 4− is diamagnetic because the cyanide ion is a strong field ligand that causes the six d-electrons present to pair up in a low spin arrangement.

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