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3 years ago

Mg+O=MgO which one is oxidized and which is reduced

Chemistry

2 answers:

hram777 [196]3 years ago

8 0

☞ Mg - reduced

☞ O - oxidized

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Hope It Helps You ✌️

kow [346]3 years ago

5 0

Explanation:

☞ Mg - reduced

☞ O - oxidized

$\begin{gathered} \\ \\ \\ \end{gathered}$

Hope It Helps You ✌️

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A solution of KMnO4 has an absorbance of 0.539 when measured in the colorimeter. Determine the concentration of the KMnO4 given

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Concentration of unknown solution is 0.0416 M

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As we know

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6 0

2 years ago

How many moles are represented by 3.01 x10^24 oxygen atoms?

asambeis [7]

<h3>Answer:</h3>

5.00 mol O₂

<h3>General Formulas and Concepts:</h3>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right<u> </u>

<u>Chemistry</u>

<u>Atomic Structure</u>

Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.<u> </u>

<u>Stoichiometry</u>

Using Dimensional Analysis

<h3>Explanation:</h3>

<u>Step 1: Define</u>

3.01 × 10²⁴ atoms O₂

<u>Step 2: Identify Conversions</u>

Avogadro's Number

<u>Step 3: Convert</u>

Set up: $\displaystyle 3.01 \cdot 10^{24} \ atoms \ O_2(\frac{1 \ mol \ O_2}{6.022 \cdot 10^{23} \ atoms \ O_2})$
Multiply/Divide: $\displaystyle 4.99834 \ mol \ O_2$

<u>Step 4: Check</u>

<em>Follow sig fig rules and round. We are given 3 sig figs.</em>

4.99834 mol O₂ ≈ 5.00 mol O₂

4 0

2 years ago

Mg+O=MgO which one is oxidized and which is reduced​

Mg+O=MgO which one is oxidized and which is reduced