Question 30A sample of vitamin C is known to contain 2-58 - 1024 oxygen atoms- How many moles of oxygen atoms are present in the sample-

Name: EXEMP - Grade 09 - Chemistry - Atoms and Molecules - Q30
Uploaded: 2022-07-04T10:36:42+05:30
Description: 1 mole of oxygen atoms = 6.022 × 10^23 atoms ∴ Number of moles in 2.58 × 10^24 oxygen atoms = 2.58 × 10^24/6.022 × 10^23 =4.28 moles of oxygen atoms ...

1 mole of oxygen atoms = 6.022 × 10^23 atoms ∴ Number of moles in 2.58 × 10^24 oxygen atoms = 2.58 × 10^24/6.022 × 10^23 =4.28 moles of oxygen atoms ...

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Question 30
A sample of vitamin C is known to contain $2.58 \times 10^{24}$ oxygen atoms. How many moles of oxygen atoms are present in the sample?

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Solution

1 mole of oxygen atoms $= 6.022 \times 10^{23}$ atoms

$∴$ Number of moles in $2.58 \times 10^{24}$ oxygen atoms = $\frac{2.58 \times 10^{24}}{6.022 \times 10^{23}}$ =4.28 moles of oxygen atoms

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Q. Question 30
A sample of vitamin C is known to contain

2.58 \times 10^{24}

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A sample of vitamin C is known to contain 2.58 × 10²⁴ oxygen atoms. a) How many moles of oxygen atoms are present in the sample? b) Find moles of oxygen molecules present in the sample.

Q. A sample of vitamic C is known to contain

2.58 \times 10^{24}

oxygen atoms. How many moles of oxygen atoms are present in the sample?

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Molecular Weight

Standard IX Chemistry

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Question 30 A sample of vitamin C is known to contain 2.58×1024 oxygen atoms. How many moles of oxygen atoms are present in the sample?

1 mole of oxygen atoms =6.022×1023 atoms ∴ Number of moles in 2.58×1024 oxygen atoms = 2.58×10246.022×1023 =4.28 moles of oxygen atoms

Question 30
A sample of vitamin C is known to contain $2.58 \times 10^{24}$ oxygen atoms. How many moles of oxygen atoms are present in the sample?

1 mole of oxygen atoms $= 6.022 \times 10^{23}$ atoms

$∴$ Number of moles in $2.58 \times 10^{24}$ oxygen atoms = $\frac{2.58 \times 10^{24}}{6.022 \times 10^{23}}$ =4.28 moles of oxygen atoms