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Anastasy [175]
3 years ago
14

NEED HELP ASAP PLEASE!!! EMERGENCY!

Chemistry
2 answers:
N76 [4]3 years ago
4 0
D I believe peace out Hope this helps
PolarNik [594]3 years ago
3 0
I think its C but im not sure

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Let us assume that fe(oh)2(s) is completely insoluble, which signifies that the precipitation reaction with naoh(aq) (presented
Yuki888 [10]

17.8 mL NaOH

<em>Step 1.</em> Write the chemical equation

Fe^(2+) + 2NaOH → Fe(OH)2 + 2Na^(+)

<em>Step 2.</em> Calculate the moles of Fe^(2+)

Moles of Fe^(2+) = 500 mL Fe^(2+) × [0.0230 mmol Fe^(2+)]/[1 mL Fe^(2+)]

= 11.50 mmol Fe^(2+)

<em>Step 3.</em> Calculate the moles of NaOH

Moles of NaOH = 11.50 mmol Fe^(2+) × [2 mmol NaOH]/[1 mmol Fe^(2+)]

= 23.00 mmol NaOH

<em>Step 4.</em> Calculate the volume of NaOH

Volume of NaOH = 23.00 mmol NaOH × (1 mL NaOH/1.29 mmol NaOH)

= 17.8 mL NaOH

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3 years ago
What is a non-example for an Electric circuit?
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Answer:

Impressionist paintings are a non-example of electric circuits.

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3 years ago
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The answer for this question is 1.71%
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1 Identify Draw an example of a force acting on an object.
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Answer below

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2 years ago
add charges, single electron dots, and/or pairs of dots as appropriate to show the lewis symbols for the most stable ion of each
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<h3>In the periodic table of the elements, what is its Lewis symbol?</h3>

The valence electrons of each element are represented by dots that surround their chemical symbol in a Lewis dot symbol. The Lewis dot symbol's dots correspond to the valence electrons, which correspond to the final digit of the element's group number as in periodic table.

<h3>What's an example of a Lewis symbol?</h3>

Two chlorine atoms, for instance, share one pair of electrons when they combine to form a chlorine molecule. According to the Lewis structure, each Cl atom contains one shared pair of electrons and pairs of electrons that aren't employed in bonds (known as lone pairs) (written between the atoms).

To know more about  Lewis symbol visit:

brainly.com/question/13676318

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1 year ago
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