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sertanlavr [38]
1 year ago
13

For SiH2FCl - manually draw the Lewis structure

Chemistry
1 answer:
jek_recluse [69]1 year ago
3 0

There are four regions of electron density in this compound thus the compound is tetrahedral.

<h3>What is the structure of SiH2FCl ?</h3>

The Lewis structure shows the atoms that compose a compound. Now we know that in a Lewis structure, the symbol of the element is shown along side the number of electrons on the outermost shell as dots. This may sometimes be ignored and the shared electros are shown as a dash.

We can see that there are four regions of electron density in this compound thus the compound is tetrahedral. This molecule is polar because there is a net dipole in the molecule.

Since the molecule is tetrahedral, the bond angles in the molecule is 109 degrees.

Learn more about VSEPR:brainly.com/question/2293021

#SPJ1

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meriva

The mass of nitric acid required to make the given solution is 0.0627 g.

The given parameters:

  • <em>Volume of the acid, V = 250 mL</em>
  • <em>pH of the acid, = 2.4</em>

The hydrogen ion (H⁺) concentration of the nitric acid is calculated as follows;

H^+ = 10^{-pH}\\\\H^+ = 10^{-2.4}\\\\H^+ = 0.00398

The molarity of the nitric acid is calculated as follows;

=  0.00398 \ H^+ \times \frac{1 \ M \ HNO_3}{1 \ H^+} \\\\= 0.00398 \ M

The number of moles of the nitric acid is calculated as follows;

moles = M\times L\\\\moles = 0.00398\ M \ \times \ \frac{250 \ mL}{1000} \\\\moles = 9.95 \times 10^{-4} \ mol.

The molar mass of nitric acid is calculated as;

HNO_3 = (1) \ + (14) \ + (16 \times 3) = 63 \ g/mol

The mass of the nitric acid contained in the calculated number of moles is calculated as;

mass = moles\  \times \ molar \ mass\\\\mass = 9.95\times 10^{-4} \ mol. \ \times \ 63 \ g/mol\\\\mass = 0.0627 \ g

Thus, the mass of nitric acid required to make the given solution is 0.0627 g.

Learn more about molarity of acids here: brainly.com/question/13864682

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