Thank you for visiting Select the correct answer The atomic mass of potassium is 39 1 What is the mass of tex 6 02 times 10 23 tex atoms. This page is designed to guide you through key points and clear explanations related to the topic at hand. We aim to make your learning experience smooth, insightful, and informative. Dive in and discover the answers you're looking for!
Answer :
To find the mass of [tex]\(6.02 \times 10^{23}\)[/tex] atoms of potassium, we need to use the concept of molar mass. Here's a simple step-by-step explanation:
1. Understand Molar Mass: The atomic mass of potassium is 39.1. This means that one mole of potassium atoms (which is [tex]\(6.022 \times 10^{23}\)[/tex] atoms, also known as Avogadro's number) has a mass of 39.1 grams.
2. Identify the Given Quantity: The question asks for the mass of [tex]\(6.02 \times 10^{23}\)[/tex] atoms of potassium. This is practically the same as one mole of atoms because [tex]\(6.022 \times 10^{23}\)[/tex] is the approximate number of particles in a mole, and 6.02 is very close to 6.022.
3. Apply the Concept of Moles: Since [tex]\(6.02 \times 10^{23}\)[/tex] is essentially one mole, the mass of this quantity of potassium atoms is the same as the atomic mass expressed in grams.
4. Conclusion: Therefore, the mass of [tex]\(6.02 \times 10^{23}\)[/tex] atoms of potassium is 39.1 grams.
Thus, the correct answer is:
B. 39.1 g
1. Understand Molar Mass: The atomic mass of potassium is 39.1. This means that one mole of potassium atoms (which is [tex]\(6.022 \times 10^{23}\)[/tex] atoms, also known as Avogadro's number) has a mass of 39.1 grams.
2. Identify the Given Quantity: The question asks for the mass of [tex]\(6.02 \times 10^{23}\)[/tex] atoms of potassium. This is practically the same as one mole of atoms because [tex]\(6.022 \times 10^{23}\)[/tex] is the approximate number of particles in a mole, and 6.02 is very close to 6.022.
3. Apply the Concept of Moles: Since [tex]\(6.02 \times 10^{23}\)[/tex] is essentially one mole, the mass of this quantity of potassium atoms is the same as the atomic mass expressed in grams.
4. Conclusion: Therefore, the mass of [tex]\(6.02 \times 10^{23}\)[/tex] atoms of potassium is 39.1 grams.
Thus, the correct answer is:
B. 39.1 g
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