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Ivenika [448]
3 years ago
11

50POINTS!

Chemistry
2 answers:
stiks02 [169]3 years ago
8 0

Answer:

Hi. I'll explain

Explanation:

11.2mol \times  \frac{22.4liter}{1mol}  = 250.88

If you round it it will be 251

D is the answer (251)

Lelu [443]3 years ago
7 0
The answer is D 251L hope you get a good grade
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What is molarity of 47.0 g KCl dissolved in enough water to give 375 mL of solution?
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This question provides us –

  • Weight of \bf  KCl is = 47 g
  • Volume, V = 375 mL

__________________________________________

  • Molar Mass of \bf   KCl –

\qquad \twoheadrightarrow\bf  39.0983 \times 35.453

\qquad \twoheadrightarrow\bf 74.5513

<u>Using formula</u> –

\qquad \purple{\twoheadrightarrow\bf Molarity _{(Solution)} =  \dfrac{ W\times 1000}{MV}}

\qquad \twoheadrightarrow\bf Molarity _{(Solution)}  = \dfrac{ 47 \times 1000}{74.5513\times 375}

\qquad \twoheadrightarrow\bf Molarity _{(Solution)}  = \dfrac{47000}{27956.7375}

\qquad \twoheadrightarrow\bf Molarity _{(Solution)}  = \cancel{\dfrac{47000}{27956.7375}}

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\qquad \pink{\twoheadrightarrow\bf Molarity _{(Solution)}  = 1.7M}

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I really need help solving this question
olchik [2.2K]
The answer to this would be helium
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Answer:

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Atoms consist of three basic particles: protons, electrons, and neutrons. The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge). The outermost regions of the atom are called electron shells and contain the electrons (negatively charged).

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Answer:

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