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Naya [18.7K]
3 years ago
6

When filtered through a funnel into a flask, a mixture of substances X, Y and Z gets separated as below: - X stays in the funnel

and Y and Z filter through and collect in the flask. X and Y are solids and Z is water. Which of the following can you conclude about the properties of X and Y?
Chemistry
1 answer:
alisha [4.7K]3 years ago
6 0

Z is the solvent, Y is soluble in water while X is insoluble in water.

<h3>Filtration</h3>

Filtration is a method of separation of substances based on particle size. Only a particular particle size can pass through the filter. The substance that remains in the filter is the residue while the substances that passes through the filter is called the filtrate.

From the observation in the question Z is the solvent, Y is soluble in water while X is insoluble in water.

Learn more about separation of mixtures: brainly.com/question/863988

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How many atoms are in 2.70 moles of iron (Fe) atoms?
vredina [299]
The answer is <span>1.63 × 1024 atoms Fe.
</span>

Avogadro's number is the number of units (atoms, molecules) in 1 mole of substance:

<span>6.023 × 10²³ atoms per 1 mole
</span>So, how many atoms are per 2.70 moles:

6.023 × 10²³ atoms : 1 mole = x : 2.70 moles
x = 6.023 × 10²³ atoms * 2.70 moles : 1 mole
x = 16.3 × 10²³ = 1.63 × 10 × 10²³ = 1.63 × 10²⁴ atoms


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