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alexandr1967 [171]

2 years ago

9

Many homes that are not

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andrew11 [14]2 years ago

6 0

Answer:

pump that is the answer hope its right

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An aqueous magnesium chloride solution is made by dissolving 7.15 moles of MgCl2 in sufficient water so that the final volume of

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Answer:

2.86mol/L

Explanation:

Given parameters:

Number of moles of MgCl₂ = 7.15moles

Volume of solution = 2.50L

Unknown:

Molarity of the MgCl₂ solution = ?

Solution:

The molarity of a solution is the number of moles of solute found in a given volume.

Molarity = $\frac{number of moles }{volume}$

Insert the parameters and solve;

Molarity = $\frac{7.15}{2.5}$ = 2.86mol/L

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If the stack of bricks on the right has a mass of 240 kg, approximately what is the mass of the stack of bricks on the left?

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Water in the atmosphere is a gas. When the air cools, water may condense into clouds. Then it may become a liquid or a solid and

Maksim231197 [3]

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A sled is at rest at the top of a slope 2 m high. The sled has a mass of 45 kg. What is the sled’s potential energy? (Formula: P

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