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V125BC [204]
3 years ago
11

What is the name of the compound that goes with the chemical formula mgcl2

Chemistry
1 answer:
Dimas [21]3 years ago
7 0
Magnesium chloride is the name for the chemical compounds with the formulas MgCl2 and its various hydrates MgCl2(H2O<span>)x. These salts are typical ionic halides, being highly soluble in water. The hydrated magnesium chloride can be extracted from brine or sea water.</span>
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How many grams of water are made from the reaction of 4.0 grams of hydrogen gas with the given reaction 2H2+O2---&gt;2H2O
Sergeeva-Olga [200]

Answer:

The mass of water is 36 g.

Explanation:

Mass of hydrogen = 4 g

Mass of water = ?

Solution:

First of all we will write the balance chemical equation:

2H₂ + O₂  →  2H₂O

Number of moles of hydrogen = mass / molar mass

Number of moles of hydrogen = 4 g/ 2 g/mol

Number of moles of hydrogen = 2 mol

Now we compare the moles of water with hydrogen from balance chemical equation.

                               H₂     :     H₂O

                                2      :       2

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Mass of water =  2 mol × 18 g/mol

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If the water oxygen is in excess than mass of water would be 36 g.

4 0
3 years ago
What is the significance of molecular formula​
Brilliant_brown [7]

Answer:

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6 0
3 years ago
At 580 k, 6. 42% of the molecules are in the chair form. calculate the value of the equilibrium constant for the reaction as wri
Ann [662]
Equilibrium chemical reaction between chair and boat forms is:
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MissTica

Answer:

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The cycling affords water to in solid, liquid and the vapor form.

From the cycle show, W represents precipitation.

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2 years ago
Read 2 more answers
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Answer:

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Explanation:

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