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2 years ago

6

WILL GIVE BRAINLEST PLZZZ HELP DUE IN 20 MINS ANSWER IF U CAN HELP BTW THERES A Q JUST LIKE THIS ONE ITS IN MY PROFILE IT GIVES

50 POINTS PLZZ HELP

1 answer:

givi [52]2 years ago

4 0

Answer:

this is the same one i just answered lol :P

Explanation:

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2 years ago

Which statement is NOT a property of unsaturated hydrocarbons?

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How many grams of MgCl2 would be needed to make 5.3 liters of a 0.25 molar solution? Round your answer to the nearest 0.01,

GuDViN [60]

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Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.

To calculate the mass of solute for given molarity, we use the equation:

$\text{Molarity of the solution}=\frac{\text{given mass of solute}}{\text {Molar mass of solute}\times \text{Volume of solution in L}}$

$0.25M=\frac{x}{95.2g/mol\times 5.3L}$

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Thus 126.1 grams of are needed to make 5.3 L of 0.25 M solution

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