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Calculate the number of atoms in : (i)...

Calculate the number of atoms in :
(i) 0.25 moles atoms of carbon
(ii) 0.20 mole molecules of oxygen.

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To solve the question, we will break it down into two parts: ### Part (i): Calculate the number of atoms in 0.25 moles of carbon. 1. **Understand the relationship between moles and atoms**: - 1 mole of any substance contains Avogadro's number of entities, which is approximately \(6.022 \times 10^{23}\). 2. **Use the formula to calculate the number of atoms**: ...
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Knowledge Check

  • Calculate number of atoms in each of the following: I. 0.5 mol of nitrogen II. 0.2 mole molecules of hydrogen III. 32 g of sulphur

    A
    `N_(A)//2, 2//5 N_(A), N_(A)//2`
    B
    `N_(A)//2, 1//5 N_(A), N_(A)//2`
    C
    `N_(A)//3, 2//5 N_(A), N_(A)//2`
    D
    `N_(A), 2//5 N_(A), N_(A)`

  • The number of atoms in 0.1 mole of triatomic gas is :

    A
    `6.026 xx 10^(22)`
    B
    `1.806 xx 10^(23)`
    C
    `3.6 xx 10^(23)`
    D
    `1.8 xx 10^(22)`

  • The number of atoms in 0.1 mole of a triatomic gas is:

    A
    `6.026 xx 10^(22)`
    B
    `1.806 xx 10^(23)`
    C
    `3.6 xx 10^(23)`
    D
    `1.8 xx 10^(22)`

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    Calculate number of atoms in 0.2 mole of oxygen atoms.

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