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wolverine [178]
2 years ago
10

How many moles of water are contained in 3.58 x 10^24 molecules? 6.022

Chemistry
1 answer:
Rus_ich [418]2 years ago
4 0

Answer:

Try everything

O 5.94 moles

0 10.0 moles

0 022 x 10^23 moles

0 3.00 moles

Explanation:

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3. How many grams of potassium permanganate will react with 36 grams of iron(III)<br>hydroxide? ​
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A science student observes that a dissolvable antacid tablet acts faster in relieving stomach pain when taken with warm water th
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3 years ago
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Iron (III) oxide reacts with solid carbon in the followed reaction: 2Fe2O3(s) + 3C(s) → 4Fe(s) + 3CO2(g) What mass of Fe2O3 is n
Veseljchak [2.6K]

953.6 g of iron (III) oxide (Fe₂O₃)

Explanation:

We have the following chemical reaction:

2 Fe₂O₃ (s) + 3 C (s) → 4 Fe (s) + 3 CO₂ (g)

We calculate the number of moles of CO₂ by using the following formula:

pressure × volume = number of moles × gas constant × temperature

number of moles = (pressure × volume) / (gas constant × temperature)

number of moles of CO₂ = (2.1 × 100) / (0.082 × 300)

number of moles of CO₂ = 8.54 moles

Taking in account the chemical reaction we devise the following reasoning:

if         2 mole of Fe₂O₃ produces 3 mole of CO₂

then   X moles of Fe₂O₃ produces 8.54 mole of CO₂

X = (2 × 8.54) / 3 = 5.69 moles of Fe₂O₃

number of moles = mass / molar weight

mass =  number of moles × molar weight

mass of Fe₂O₃ = 5.69 × 160 = 953.6 g

Learn more about:

number of moles

brainly.com/question/14111505

#learnwithBrainly

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2 years ago
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i am pretty sure it would be a chemical change so A

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