Metal Oksidlanish Hisobi

ChemistryStoichiometryMedium

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6.1. $12 \text{ g}$ metall oksidlanganda $20 \text{ g}$ oksid hosil qilsa, u qaysi metall?

A) magniy

B) kalsiy

C) temir

D) mis

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Step by Step Written Solution

1
Step 1

Hi Ozodbek, let's solve this chemistry problem together. We need to identify a metal that produces 20 grams of oxide when 12 grams of it are oxidized.

Metalni aniqlash

2
Step 2

First, let's write down what we know. The mass of the metal is 12 grams, and the mass of the resulting oxide is 20 grams.

$$m_{\text{metall}} = 12 \text{ g}$$
$$m_{\text{oksid}} = 20 \text{ g}$$
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Step 3

According to the Law of Conservation of Mass, the mass of oxygen consumed is the difference between the mass of the oxide and the mass of the metal.

$$m_{\text{O}} = m_{\text{oksid}} - m_{\text{metall}}$$
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Step 4

Subtracting twelve from twenty gives us 8 grams of oxygen.

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Step 5

To identify the metal, we can use the Law of Equivalents. The mass of a metal divided by its equivalent mass equals the mass of oxygen divided by its equivalent mass, which is 8 grams per equivalent.

$$\frac{m_{\text{Me}}}{E_{\text{Me}}} = \frac{m_{\text{O}}}{E_{\text{O}}}$$
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Step 6

Now, let's substitute our values into this formula to find the equivalent mass of the metal.

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About This Question

Subject
Chemistry
Topic
Stoichiometry
Difficulty
Medium
Question Type
Multiple Choice

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