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1 year ago

WHAT IS PRECIPITATION REACTION

Chemistry

1 answer:

lapo4ka [179]1 year ago

4 0

A precipitation reaction is one in which dissolved substance react to form a solid product.

What are the examples of precipitation reaction ?

AgNo3+ CaCl2→AgCl + Ca(No3

Fehling's test .

Precipitation reaction are useful to test whether substance present in a solution .

Precipitation is used to remove metal ions from aqueous solution .

to learn more about Precipitation click here brainly.com/question/28182226

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3 years ago

What does solubility mean?

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3 years ago

A mixture of hydrochloric and sulfuric acids is prepared so that it contains 0.315 M HCl and 0.125 M H2SO4. What volume of 0.55

Xelga [282]

Answer: The volume of NaOH required is 402.9 mL

Explanation:

To calculate the number of moles for given molarity, we use the equation:

$\text{Molarity of the solution}=\frac{\text{Moles of solute}}{\text{Volume of solution (in L)}}$ .....(1)

For HCl:

Molarity of HCl solution = 0.315 M

Volume of solution = 503.4 mL = 0.5034 L (Conversion factor: 1 L = 1000 mL)

Putting values in equation 1, we get:

$0.315M=\frac{\text{Moles of HCl}}{0.5034L}\\\\\text{Moles of HCl}=(0.315mol/L\times 0.5034L)=0.1586mol$

For sulfuric acid:

Molarity of sulfuric acid solution = 0.125 M

Volume of solution = 503.4 mL = 0.5034 L

Putting values in equation 1, we get:

$0.125M=\frac{\text{Moles of }H_2SO_4}{0.5034L}\\\\\text{Moles of }H_2SO_4=(0.125mol/L\times 0.5034L)=0.0630mol$

As, all of the acid is neutralized, so moles of NaOH = [0.1586 + 0.0630] moles = 0.2216 moles

Molarity of NaOH solution = 0.55 M

Moles of NaOH = 0.2216 moles

Putting values in equation 1, we get:

$0.55M=\frac{0.2216}{\text{Volume of solution}}\\\\\text{Volume of solution}=\frac{0.2216}{0.55}=0.4029L=402.9mL$

Hence, the volume of NaOH required is 402.9 mL

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3 years ago

Why do lumps of sodium carbonate react more slowly than powdered sodium carbonate

ollegr [7]

Answer:

In the lab, powdered calcium carbonate reacts much faster with dilute hydrochloric acid than if the same mass was present as lumps of ...

Explanation:

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2 years ago

WHAT IS PRECIPITATION REACTION​

WHAT IS PRECIPITATION REACTION