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melamori03 [73]
3 years ago
10

Hiw to separate and measure a mixture of iron fillings, sugar, and salt

Chemistry
1 answer:
Alecsey [184]3 years ago
3 0
Add water to mixture to dissolve sugar then filter. sugared water will be the filtrate while the salt & iron fillings will be the residue. use magnet to attract iron fillings and remaining will be salt.
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All of the following statements about solutions are correct Except?
Tasya [4]

Answer:

A solution is a heterogeneous mixture

Explanation:

This statement that a solution is a heterogeneous mixture is completely and totally wrong.

A solution is a homogeneous mixture.

Homogeneous mixtures have their constituents existing in just one phase.

  • It is a homogeneous mixture of solutes and solvents.
  • In a solution, the solutes particles are distributed uniformly in the solvent.
  • The solute is the substance that is dissolved to make the solution.
  • Solutes are usually present in a small amount than the solvent.
  • The solvent acts as the dispersing medium which allows the solute to go into the solution.
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3 years ago
Calculate the mass percent of calcium chloride in 8.87 g of calcium chloride in 65.1 g of water
zhannawk [14.2K]

Answer:

11.99 % ≅ 12.0%.

Explanation:

∵ mass % = [mass of solute/mass of solution] x 100.

mass of solute (CaCl₂) = 8.87 g & mass of solution = 8.87 g + 65.1 g = 73.97 g.

<em>∴ mass % of (CaCl₂) = [mass of solute/mass of solution] x 100 </em>= ( 8.87 g/ 73.97 g) x 100 = <em>11.99 % ≅ 12.0%.</em>

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Changing the environment takes away habitats from animals and some nutrients plants need

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