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Sergeeva-Olga [200]
3 years ago
9

Who described atoms as small spheres that could not be divided into anything smaller?

Chemistry
1 answer:
gtnhenbr [62]3 years ago
5 0
John Dalton


"matter cannot be created nor destroyed or divided into smaller particles"
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Li2SO4 _____ an electrolyte in solution.<br> A. Is <br> B. Is not
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Answer:

a

Explanation:

it is an electrolyte because of its strong polar chemical bond

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2 years ago
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If 72^x=26, what is the value of x?
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So if there is 16 protons and 16 neutrons what would be the charge right now?​
sveta [45]

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2 years ago
What is molarity of 47.0 g KCl dissolved in enough water to give 375 mL of solution?
natita [175]

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}}

\qquad \twoheadrightarrow\bf Molarity _{(Solution)}  = 1.68117M

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

  • Henceforth, Molarity of the solution is = 1.7M

___________________________________________

6 0
2 years ago
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