Calculate the mass of a single atom of s...

Calculate the mass of a single atom of sulphur and a single molecule of carbon dioxide? [Given = Atomic mass of S = 32 u, C = 12 u, O = 16 u]

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To calculate the mass of a single atom of sulfur and a single molecule of carbon dioxide, we will follow these steps: ### Step 1: Calculate the mass of a single atom of sulfur 1. **Identify the atomic mass of sulfur**: The atomic mass of sulfur (S) is given as 32 u (atomic mass units). 2. **Convert atomic mass to grams**: The gram atomic mass of sulfur is 32 grams (since 1 u = 1 gram/mole). 3. **Use Avogadro's number**: Avogadro's number is \(6.022 \times 10^{23}\), which is the number of atoms in one mole of a substance. 4. **Calculate the mass of a single atom**: ...

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Calculate the mass (in grams) of a single C-12 atom.

`1.993xx10^(-23)g`

`2.875xx10^(-23)g`

`4.162xx10^(-23)g`

`3.786xx10^(-23)g`

Formula unit mass of K_(2) CO_(3) is (Atomic mass of K = 39 u , C = 12 u and O = 16 u)

67 u

138 u

150 u

134 u

The number of atoms of Mg, S and O present in 0.5 moles of MgSO_4 are respectively (Given : Atomic mass of O= 16 u , Mg = 24 u , S= 32 u)

`3.01 xx 10^(23) , 3.01 xx 10^(23) and 12.04 xx 10^(23)`

`3xx10^(23) , 3 xx 10^(23) and 1.2 xx 10^(23)`

`3.01xx10^(23) , 12.05 xx 10^(23) and 12.04 xx 10^(23)`

`3xx 10^(23) , 12.05 xx 10^(23) and 12.04 xx 10^(23)`