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3 years ago

What distinguishes a neutral atom from an ion

1 answer:

6 0

will they contain the same number of protons as electrons. By the meaning, an "ion" is an electrically charged particle produced by either removing electrons from the neutral atom to give a positive ion or adding electrons to a neutral atom to give a negative" ion".
hope i helped :)

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Answer:

Explanation:

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1 year ago

Elements that want to gain one outer electron?

mario62 [17]

Answer:

halogens

Explanation:

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3 years ago

Read 2 more answers

A solution contains 1.817 mg of CoSO4 (155.0 grams/mole) per mL. Calculate the volume (in mL) of 0.009795 M Zn2 needed to titrat

Nana76 [90]

Answer:

85.952 ml $Zn^2^+$ needed to titrate the excess complexing reagent .

Explanation:

Lets calculate

After addition of 80 ml of EDTA the solution becomes = 20 + 70 = 90 ml

As the number of moles of $CoSO_4$ = $\frac{Given mass }{molar mass}$

= $\frac{1.817}{155}$

=0.01172

Molarity = $\frac{no. of moles}{volume of solution}$

= $\frac{0.01172}{20}$

=0.000586 moles

Excess of EDTA = concentration of EDTA - concentration of CoSO4

= 0.009005 - 0.000586

= 0.008419 M

As M1V1 ( Excess of EDTA ) = M2V2 $(Zn^2^+)$

$0.008419\times100ml=0.009795\times V2$

$V2=\frac{0.008419\times100}{0.009795}$

V2 =85.952 ml

Therefore , 85.952 ml $Zn^2^+$ needed to titrate the excess complexing reagent .

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3 years ago

What must be conserved in a balanced nuclear equation?

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Explanation:

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3 years ago