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3 years ago

What is the molarity when 0.181 moles of MgNO3)2 are dissolved in enough water to make 0.750 L solution?

Chemistry

1 answer:

eimsori [14]3 years ago

4 0

Answer:

Molarity = 0.24 M

Explanation:

Given data:

Number of moles of Mg(NO₃)₂ = 0.181 mol

Volume of solution = 0.750 L

Molarity of solution = ?

Solution:

Molarity is used to describe the concentration of solution. It tells how many moles are dissolve in per litter of solution.

Formula:

Molarity = number of moles of solute / L of solution

by putting values,

Molarity = 0.181 mol / 0.750 L

Molarity = 0.24 M

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3 years ago

A 250 mL sample of gas is collected over water at 35°C and at a total pressure of 735 mm Hg. If the vapor pressure of water at 3

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Answer:

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Now

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Now

By using combined gas law equation:

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we have

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2 years ago

11 The cross section compares the densities of different Earth layers. Which Earth layer is most dense?

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Answer:

Explanation:

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2 years ago

Heat is transferred by conduction through a wall of thickness 0.87 m. What is the rate of heat transfer if the walls thermal con

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Explanation:

The given data is as follows.

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3 years ago