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Aleksandr [31]
3 years ago
11

KMnO4 + KCI + H2SO4MnSO4 + K2S04+ Cl₂ + H₂O​

Chemistry
1 answer:
yKpoI14uk [10]3 years ago
7 0

Answer:

Balancing the equation

2KMnO₂+10KCl+8H₂SO₄⇒2MnSO₄+6K₂SO₄+8H₂O+5Cl₂

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A solution contains an unknown mass of dissolved barium ions. When sodium sulfate is added to the solution, a white precipitate
AVprozaik [17]

Answer:

0.1388 g

Explanation:

The mass of BaSO_4 obtained on precipitation = 236 mg

1 mg = 0.001 g

Thus, Mass of BaSO_4 = 0.236 g

Molar mass of BaSO_4 = 233.43 g/mol

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

Thus,

Moles= \frac{0.236\ g}{233.43\ g/mol}

Moles of BaSO_4 = 0.001011 moles

According to the reaction,

Ba^{2+}+SO_4{2-}\rightarrow BaSO_4

Thus, moles of barium = 0.001011 moles

Molar mass of barium = 137.327 g/mol

Thus, Mass = Moles * Molar mass = 0.001011*137.327 g = 0.1388 g

4 0
3 years ago
When the following molecular equation is balanced using the smallest possible integer coefficients, the values of these coeffici
Sergio [31]

<u>Answer:</u> The molecular balanced equation is written below

<u>Explanation:</u>

A molecular equation is defined as the chemical equation in which the ionic compounds are written as molecules rather than component ions.

A balanced chemical equation is defined as the equation in which total number of individual atoms on the reactant side is equal to the total number of individual atoms on product side.

The balanced chemical equation for the decomposition of bromine trifluoride follows:

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By Stoichiometry of the reaction:

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Hence, the molecular balanced equation is written above.

7 0
3 years ago
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swat32
 Conduction is heat tranfer through physical contact. Hope this helps. :)
7 0
3 years ago
Read 2 more answers
Help I. have until 11:59 to hand it in ​
Sedbober [7]

This chemical reaction can also be written as

2C2H6+7O2-->4CO2+6H2O

This is a chemical reaction because reactants are converted into products. This is the combustion of ethane where ethane and oxygen have been converted into carbon dioxide and water

8 0
2 years ago
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