`0.532` g of the chloroplatiinate of a diacid base on ignition left `0.195` g of residue of Pt. Calculate molecular weight of the base. `(Pt= 195)`

Explanation

To solve the problem of calculating the molecular weight of the diacid base from the given data, we can follow these steps:

### Step 1: Determine the mass of platinum in the residue
The problem states that after ignition, the residue left is 0.195 g of platinum (Pt).

### Step 2: Calculate the moles of platinum
Using the molar mass of platinum (Pt = 195 g/mol), we can calculate the number of moles of platinum:

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