Which scientist is credited with developing the fist scientific atomic theory

Chemistry

1 answer:

Norma-Jean [14]3 years ago

3 0

Answer:

German chemist G.E. Stahl

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What is the number of moles of solute in 250 mL of a 0.4 M solution?

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Answer:

0,1 mol

Explanation:

We know that the formula of concentration is C= moles of solute/ volume

0,4 M= moles of solute/ 250 mL

Convert mL to L 250 mL =0,25 L

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3 years ago

Which characteristic do valence electrons indicate about reactions between atoms?

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Bond number

The characteristic of reactions that depends on valence electrons is the bond type.

In chemistry, a chemical bond could be;

Ionic

Covalent

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When there are more electrons on an atoms, it mostly forms covalent bonds and the electrons between the atoms are shared.

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2 years ago

Write the balanced equation for the reaction of aqueous Pb ( ClO 3 ) 2 with aqueous NaI . Include phases. chemical equation: Wha

Citrus2011 [14]

<u>Answer:</u> The mass of lead iodide produced is 9.22 grams

<u>Explanation:</u>

To calculate the molarity of solution, we use the equation:

$\text{Molarity of the solution}=\frac{\text{Moles of solute}}{\text{Volume of solution (in L)}}$