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puteri [66]
2 years ago
8

Which substance has the most thermal energy and will have the most heat flow from it?

Chemistry
2 answers:
Soloha48 [4]2 years ago
7 0

Answer:

B. a nuclear reactor core (1000°C)......

Oliga [24]2 years ago
5 0
B. A nuclear reactor corw
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2. How many grams of NaCl are required to prepare 0.40 L of a 0.75 M solution?
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The mass of a NaCl solution that is required to prepare 0.40 L of a 0.75 M solution is 17.55g. Details about mass can be found below.

<h3>How to calculate mass?</h3>

The mass of a substance can be calculated by multiplying the number of moles by its molar mass.

However, the number of moles of a solution must be initially calculated by using the following formula:

molarity = no of moles ÷ volume

no of moles = 0.75 × 0.40

no of moles = 0.3 moles

mass of NaCl = 0.3 × 58.5 = 17.55g

Therefore, the mass of a NaCl solution that is required to prepare 0.40 L of a 0.75 M solution is 17.55g.

Learn more about mass at: brainly.com/question/19694949

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Hey mate....

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