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Andreas93 [3]
2 years ago
10

Which arrow represents the activation energy for the forward reaction

Chemistry
2 answers:
zhenek [66]2 years ago
7 0
B . Just took it I got it right
ValentinkaMS [17]2 years ago
4 0

Answer:

B

Explanation:

found it from a person wjwjdjjanqnqq

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3 years ago
In the laboratory you are asked to make a 0.565 m sodium bromide solution using 315 grams of water. How many grams of sodium bro
Scorpion4ik [409]

Answer : The mass of sodium bromide added should be, 18.3 grams.

Explanation :

Molality : It is defined as the number of moles of solute present in kilograms of solvent.

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Molality=\frac{\text{Mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Mass of solvent}}

Solute is, NaBr and solvent is, water.

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Molality of NaBr = 0.565 mol/kg

Molar mass of NaBr = 103 g/mole

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Now put all the given values in the above formula, we get:

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\text{Mass of NaBr}=18.3g

Thus, the mass of sodium bromide added should be, 18.3 grams.

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