A chemist adds of a copper(II) sulfate solution to a reaction flask. Calculate the mass in kilograms of copper(II) sulfate the c
hemist has added to the flask. Round your answer to significant digits.
1 answer:
Answer:
The question is incomplete as some details are missing. Here is the complete question ; A chemist adds 45.0mL of a 0.434M copper(II) sulfate CuSO4 solution to a reaction flask. Calculate the mass in grams of copper(II) sulfate the chemist has added to the flask. Round your answer to 2 significant digits
Explanation:
The step by step explanation is as shown in the attachment
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A - the mass number
Z - the atomic number
X - the symbol of an element
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The atomic number is the same for all isotopes of one element. For oxygen it's 8, because every atom of oxygen has 8 protons in its nucleus.
The mass number is the number of nucleons (protons + neutrons) in the nucleus of an atom, and it's given in the name of an isotope. Oxygen-16 has the mass number 16, oxygen-17 has the mass number 17, oxygen-18 has the mass number 18.
Oxygen-16:
Oxygen-17:
Oxygen-18:
A - the mass number
Z - the atomic number
X - the symbol of an element
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Oxygen-16:
Oxygen-17:
Oxygen-18:
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<span>I hope I was able to answer your question. Thank you!</span>
