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sp2606 [1]
3 years ago
14

Help pleaseeeeeeeee 30 points

Chemistry
1 answer:
sineoko [7]3 years ago
3 0

It is about who you are. Just write down anything that relates to you. This is not difficult at all. This worksheet just wants you to fill out your strengths, weaknesses, motivations and personal goals.

All I can say is to write about yourself.

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When zinc or aluminum was allowed to react with the copper sulfate , what was the limiting reagen?
musickatia [10]
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<span>if all of the color of the solution was gone, but there was still some zinc metal mixed in with the copper metal produced, then Zn is the excess reagent </span>

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What is the molar mass of Al2(SO4)3
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5 0
3 years ago
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First to answer both CORRECTLY gets brainleist!
madam [21]

Answer: I am actually studying about Stars, so I got you.

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4 0
2 years ago
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How many hydrogen atoms are in 4.40 mol of ammonium sulfide
katrin2010 [14]
 The number  of hydrogen  atoms  that are  in 4.40  mol  of ammonium sulfide is  2.12 x10^25  atoms

      calculation
 find the number of moles  of Hydrogen  in ammonium sulfide  (NH4)2S

that is  4.40  x  number of hydrogen atoms in (NH4)2S ( 4x2= 8  atoms)

moles is  therefore=  4.40  x8= 35.2  moles

by  use of  Avogadro's law  constant

that is  1mole =  6.02 x10^23 atoms
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by  cross multiplication
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5 0
3 years ago
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