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Anettt [7]
3 years ago
12

Please help someone, giving 50 points and marking brainliest.

Chemistry
1 answer:
babunello [35]3 years ago
6 0

Answer:

i have no clue

Explanation:

tell me when you get it

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⚪ Potassium 
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3 years ago
According to the following reaction, how many moles of calcium chloride will be formed upon the complete reaction of 27.9 grams
I am Lyosha [343]

Answer: 0.377 moles of calcium chloride will be formed.

Explanation:

To calculate the moles :

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

\text{Moles of} Ca(OH)_2=\frac{27.9g}{74g/mol}=0.377moles

The balanced chemical reaction is:

Ca(OH)_2+2HCl\rightarrow CaCl_2+2H_2O  

According to stoichiometry :  

As 1 mole of Ca(OH)_2 give = 1 mole of CaCl_2

Thus 0.377 moles of Ca(OH)_2 give =\frac{1}{1}\times 0.377=0.377moles  of CaCl_2  

Thus 0.377 moles of calcium chloride will be formed upon the complete reaction of 27.9 grams of calcium hydroxide with excess hydrochloric acid

3 0
3 years ago
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