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2 years ago

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Phenomenon: The sound of tapping on your desk is much louder and lower pitched when you listen to it with your ear pressed again

st the desk.
1. Use what you have learned to explain this phenomenon.

1 answer:

Anastasy [175]2 years ago

5 0

Answer:

hi do you want to join my padlet?

Explanation:

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A mixture contains 20% iron ions by mass. What mass of iron chloride (FeCl) would

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<h3>Further explanation</h3>

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$\tt mass~Fe=\dfrac{Ar~Fe}{MW~FeCl_2}\times mass~FeCl_2$

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