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Rasek [7]
3 years ago
11

1. MgCO,→ MgO +Co, is an example of a

Chemistry
1 answer:
natta225 [31]3 years ago
8 0

Answer:

1. Decomposition Reaction

2. Combustion Reaction

3. Synthesis Reaction

4. Synthesis Reaction

5. Decomposition Reaction

6. Replacement Reaction

*It was a little hard reading the format of each question as there were some important missing aspects.*

Explanation:

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Answer: 25.8 g of Cl_2 will be produced from the decomposition of 73.4 g of AuCl_3

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}    

\text{Moles of} AuCl_3=\frac{73.4g}{303g/mol}=0.242moles

The balanced chemical reaction is:

2AuCl_3\rightarrow 2Au+3Cl_2  

According to stoichiometry :

2 moles of AuCl_3 produce =  3 moles of Cl_2

Thus 0.242 moles of  will produce= \frac{3}{2}\times 0.242=0.363mol of Cl_2

Mass of Cl_2= moles\times {\text {Molar mass}}=0.363mol\times 71g/mol=25.8g

Thus 25.8 g of Cl_2 will be produced from the decomposition of 73.4 g of AuCl_3

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