STM32G050F6P6 i need to reset and set slave id for this controller also need to know flash address

[Vivek76]

..

[TDK]

Please explain your issue in more detail.

[Tesla DeLorean]

Flash address 0x08000000 

You'll need to program in a I2C Slave address in your own code. For multiple parts on a board, perhaps commit a couple of GPIO to strap an identifier for instance on board, so your code can determine a Slave ID