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alisha [4.7K]
3 years ago
9

Which has more mass, one mole of carbon (C) or one mole of copper (Cu)? Explain.

Chemistry
2 answers:
inysia [295]3 years ago
6 0
Carbon — pay attention to your periodic table trends
dedylja [7]3 years ago
3 0
Carbon.
You’re welcome
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If you are administering an insulin dose of 90.0 mg from a bottle at a concentration of 10.0 mg/mL,
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Answer:

9 mL.

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x=\dfrac{90\ \text{mg}}{10\dfrac{\text{mg}}{\text{mL}}}\\\\x=\dfrac{9}{1}\ \text{mL}

So, 9 mL of the solution is to be given to the patient.

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How many moles of CO2 are produced when 2.5 moles of O2 react according to the following equation?
alexdok [17]

Answer:

1.5 moles of CO₂ are produced

Explanation:

Based on the chemical equation:

C₃H₈ + 5O₂ → 3CO₂ + 4H₂O<em> -The reaction of the question is wrong-</em>

5 moles of oxygen reacts per mole of propane, C₃H₈, to produce 3 moles of CO₂ and 4 moles of water.

If 2.5 moles of oxygen react and, 5 moles of oxygen produce 3 moles of CO₂, moles of CO₂ produced are:

2.5 moles O₂ * (3 moles CO₂ / 5 moles O₂) =

<h3>1.5 moles of CO₂ are produced</h3>
5 0
3 years ago
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