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3 years ago

How does distillation separate a solvent from a solute?

Chemistry

1 answer:

Illusion [34]3 years ago

8 0

Answer:

The solution is heated to the the boiling point , and the solvent is collected as its gas condenses

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What volume would a 0.871 gram sample of air occupy if the density of air is 1.29 g/L?

-Dominant- [34]

Answer:

$\boxed{\text{675 mL}}$

Explanation:

$V = \text{0.871 g} \times \dfrac{\text{1 L}}{\text{1.29 g}} = \text{0.675 L} = \textbf{675 mL}\\\\\text{The volume of air is } \boxed{\textbf{675 mL}}$

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3 years ago

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What are the answers to these questions?

Andreas93 [3]

The only one i know
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4 years ago

Pottery has a mass of 0.61 g and a volume of 0.260 cm3. What is the density?

Anni [7]

If you use the M (mass) over V (volume) your answer should be exactly: 2.34615385

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4 years ago

How many cups are in 4 liters? 1 L=4.2cups

Scilla [17]

Answer:

16.8 cups

Explanation:

We are given that there are 4.2 cups in in 1 liter of a liquid and we are to find out the number of cups that there will be in 4 liters.

To find this out, we will use the ratio method.

We know that:

1 L = 4.2 cups

So we can write it as:

$\frac{1L}{4 L} =\frac{4.2 cups}{x}$

$x = 4 .2 \times 4$

$x = 1 6 . 8$

Therefore, there are 16.8 cups in 4 liters.

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3 years ago

When hot lava reaches seawater, the salts in the water react with steam to form gaseous hydrochloric acid. You are given an unba

elena-s [515]

NaCl + H2O = HCl + NaOH

1) write the equation and balance the equation
2) convert the volume of the gas to moles of the gas PV=nRT
3) according to the stoichiometry of the reaction one mol of gas is produced by one mol of salt. Convert the mol of gas to mol of salt
4) calculate the molar mass of the salt and convert the mol of salt to g of salt (m= nxMM)

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3 years ago

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