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IgorC [24]
3 years ago
15

Help I need this done today!!!!!!!

Chemistry
2 answers:
sergiy2304 [10]3 years ago
8 0
The radiator is next to the triangle, receiving the sound waves and they travel through the radiator up to the other room. She can't hear the sound if the triangle isn't struck near the radiator because the sound waves aren't going through the radiator, and are not able to reach her through the wall. Hope this helps!
irga5000 [103]3 years ago
3 0
She can't hear the sound if the triangle isn't struck near the radiator because the sound waves aren't going through the radiator, and are not able to reach her through the wall
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Answer:

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Explanation:

Molality → Moles of solute / kg of solvent.

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Let's determine the moles from the solute

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