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How many oxygen atoms are there in 2.5 g...

How many oxygen atoms are there in `2.5 g-`molecules of `K_(2)SO_(4).Al_(2)(SO_(4))_(3).12H_(2)O`?

Text Solution

AI Generated Solution

To solve the problem of how many oxygen atoms are present in 2.5 g of the compound \( K_2SO_4 \cdot Al_2(SO_4)_3 \cdot 12H_2O \), we will follow these steps: ### Step 1: Calculate the Molar Mass of the Compound 1. **Identify the components of the compound:** - Potassium (K): 2 atoms - Sulfate (SO₄): 5 groups (2 from \( K_2SO_4 \) and 3 from \( Al_2(SO_4)_3 \)) - Aluminium (Al): 2 atoms ...
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Knowledge Check

  • The aqueous solution of potash alum [K_(2)SO_(4)*Al_(2)(SO_(4))_(3)*24H_(2)O] is acidic due to

    A
    hydrolysis of `K^+`
    B
    hydrolysis of `Al^(3+)`
    C
    hydrolysis of `SO_(4)^(2-)`
    D
    Presence of acid in its crystal as impurity.

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    The equivalent weight of potash alum (K_(2)SO_(4).Al_(2)(SO_(4))_(3).24H_(2)O) is

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