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nekit [7.7K]
3 years ago
11

A certain element has only two naturally occurring isotopes: one with 18 neutrons and the other with 20 neutrons. The element fo

rms 12 charged ions when in ionic compounds. Predict the identity of the element. What number of electrons does the 12 charged ion have?
Chemistry
1 answer:
AURORKA [14]3 years ago
5 0

Explanation:

I hope this one is useful, I will complete later

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what volume of a 0.138 m potassium hydroxide solution is required to neutralize 26.0 ml of a 0.205 m nitric acid solution?
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A neutralization titration is a chemical response this is used to decide the composition of an answer and what kind of acid or base is in it. This is a way of volumetric analysis and the formula is (M1V1 = M2V2).

Utilize the titration method of M1V1 = M2V2 in view that we're given the concentrations of every compound and the quantity of KOH. Let: M1 = 0.138M, V1 = x, M2 = 0.205M, V2 = 26.0 ML.

  • M1 = initial mass
  • V1= initial volume
  • M2 = final mass
  • V2= final volume
  • (M1V1 = M2V2)
  • (0.138)(V1) = (0.205)x(26.0)
  • V2=(0.205)x(26.0)\ 0.138
  • V2 = 47.10 M/L
  • The final value of Volume needed for neutralization of nitric acid solution is  V2 = 47.10 M/L

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The population of worms in a garden ecosystem is decreasing. The population of birds will most likely _____.
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Answer:

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Explanation:

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It also depends on what bird it is but with any species if there main source of food decrease then they decrease or move out of the area.

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