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3 years ago

Help please Cu + S CuS

Chemistry

1 answer:

SCORPION-xisa [38]3 years ago

6 0

Answer:

Hi.. U should do like this

Cu + S - - - >Cu2S

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13. An organic compound is found to contain 77.42% of C, 7.53% of H and

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3 years ago

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2 years ago

Read 2 more answers

love history [14]

Answer : The molar concentration of sucrose in the tea is, 0.0549 M

Explanation : Given,

Mass of sucrose = 3.765 g

Volume of solution = 0.200 L

Molar mass of sucrose = 342.3 g/mole

Molarity : It is defined as the number of moles of solute present in one liter of volume of solution.

Formula used :

$\text{Molarity}=\frac{\text{Mass of sucrose}}{\text{Molar mass of sucrose}\times \text{Volume of solution (in L)}}$

Now put all the given values in this formula, we get:

$\text{Molarity}=\frac{3.765g}{342.3g/mole\times 0.200L}=0.0549mole/L=0.0549M$

Therefore, the molar concentration of sucrose in the tea is, 0.0549 M

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2 years ago