HELP PLZ Calculate the percent composition by mass of iron in Fe(NO3)3
1 answer:
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Answer:
0.7 g/cm³
Explanation:
<em>hey there,</em>
<em />
< The formula for density is where m = mass, v = volume, and p = density. An easy way to remember the formula is density equals love. I found this easy to remember because p = ♡ and when you think about it, if you split the heart in half through the middle like a fraction, it will make
(if you don't understand what I'm saying, try writing it out and you will be able to see what I'm talking about!)
We already know that the block is 253 g so the mass is 253 g.
To find the volume, always multiply the 3 values width, length, and height whenever you are trying to find the volume of a block.
15.24 cm x 6.64 cm x 3.56 cm = 360.25 cm³
Now plug it into the formula.³ >
<u>Hope this helped! Feel free to ask anything else.</u>