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Monica [59]
2 years ago
5

Determine the formula for iron l oxide

Chemistry
1 answer:
Elena L [17]2 years ago
4 0
Fe2O is the formula for that
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Polymer sand is correct
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3 years ago
How many moles of oxygen will occupy a volume of 2.50 liters?
loris [4]
Data:
n (number of mols) = ? 
V (volume) = 2.50 Liters 
If: 
1 L → 1000 g
2.50 L → y

y = 1000*2.50 = 2500 g

Therefore:
m (mass) = 2500 g

Now:
Molar Mass (MM) of oxygen = 16 g/mol

Formula:
n =  \frac{m}{MM}

Solving:
n = \frac{m}{MM}
n = \frac{2500\:\diagup\!\!\!\!\!g}{16\:\diagup\!\!\!\!\!g/mol}
\boxed{\boxed{n = 156.25\:mols}}\end{array}}\qquad\quad\checkmark




7 0
2 years ago
Son el punto 2,3,4 por favor
RSB [31]
4...........................
8 0
3 years ago
HELPPP!!
lord [1]

Answer:

The anion at the end on the compound

Explanation:

to check whether a substance is soluble or not, you would find the anion at the end of the compound on a solubility chart and then see from there whether it is soluble or not

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How many amino acids can compose a protein molecule?
Vladimir79 [104]
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