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Genrish500 [490]
3 years ago
12

How do we determine the number of electrons?

Chemistry
1 answer:
Umnica [9.8K]3 years ago
8 0
Assuming it has no electrical charge, your electron count would be equal to the atomic number.
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The atoms of platinum and silver are identical (true or false)
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I think it's false but not sure

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Calculate the ratio of naf to hf required to create a buffer with ph = 4.05.
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PH is the test of acidity or basicity of a solution. it follows the formula: 
pH = pKa + log [salt] / [acid] where NaF is the salt and HF is the acid in this case. 

By literature, Ka of HF is 3.5*10^-4 
<span>pKa= -log(Ka)=</span><span> 3.46 </span>

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Hydrogen bonds are stronger than the dipole dipole attraction force present in any molecule.

<h3>What is bonding in molecules?</h3>

Bonding is a type of attraction force which is present between the different atoms or elements of any substance.

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Hence main difference is that hydrogen bond is only present between the hydrogen atom and more electronegative.

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The concentration of the hydrogen ions from molarity can be given with the number of hydrogen atoms in the molecular formula.

<h3>What is molarity?</h3>

Molarity is given as the moles of the solute present in a liters of solution. The compound with the number of hydrogen atoms in the molecular formula with degradation possesses the equivalent concentration of the hydrogen ions.

The compound with molecular formula AH having molarity 2, will produce 2M of hydrogen ions.

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