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Masja [62]
2 years ago
14

Hi. i need help with this. i lack with this subject

Chemistry
2 answers:
Vesnalui [34]2 years ago
8 0

Answer: It's the circulatory system

Explanation:

Marat540 [252]2 years ago
5 0

Answer:

It's the circulatory system

Explanation:

hope it helps you

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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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How many molecules are contained in a 3.36 mole sample of NH3?
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3.36 \times (6.02 \times  {10}^{23} ) = 2.0227 \times  {10}^{24}
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Lithium reacts with oxygen in a synthesis reaction. How much lithium is needed to react with 2.6 g of oxygen?
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