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3 years ago

Prediction for Scandium (II) and Cl

Chemistry

1 answer:

Nimfa-mama [501]3 years ago

3 0

Answer:

ScCl₂

General Formulas and Concepts:

Chemistry

Reading a Periodic Table
Reaction Prediction
Determining Chemical Compounds

Explanation:

Step 1: Define

Scandium (II)

Step 2: Determine Charges

Sc²⁺

Cl⁻

Step 3: Predict Compound

We need to balance out the charges so the overall charge is 0.

ScCl₂

Step 4: Reaction

RxN: Sc²⁺ + Cl₂ → ScCl₂

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2 years ago

How many molecules are in 41.8 g of sulfuric acid

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Answer

× 10²³ molecules are in 41.8 g of sulfuric acid

Explanation

The first step is to convert 41.8 g of sulfuric acid to moles by dividing the mass of sulfuric acid by its molar mass.

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$Mole=\frac{Mass}{Molar\text{ }mass}=\frac{41.8\text{ }g}{98.079\text{ }g\text{/}mol}=0.426187053\text{ }mol$

Finally, convert the moles of sulfuric acid to molecules using Avogadro's number.

Conversion factor: 1 mole of any substance = 6.022 × 10²³ molecules.

Therefore, 0.426187053 moles of sulfuric acid is equal

$\frac{0.426187053\text{ }mol}{1\text{ }mol}\times6.022×10²³\text{ }molecules=2.57\times10^{23}\text{ }molecules$

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11 months ago

The electron configuration belonging to the atom with the highest second ionization energy is ________.

Gemiola [76]

Answer:

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Explanation:

The element with the highest second ionization energy is lithium. It belongs to the alkaline metal group I.e group one metals

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