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Can someone help me to answer this plss..

The melting point of a lead-free solder alloy is 361°F. Your adjustable-temperature soldering iron is calibrated in °C. The soldering iron must be at least 100°C hotter than the solder melting point to work effectively. What is the minimum operating temperature for the soldering iron?

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maskemdemozart
The melting point of most solder is in the region of 188 degree Celsius and the iron is typically temperature is 330 degree Celsius to 350 degree Celsius.
SmartyPants901

I am not sure what the answer is, so thanks for the free points?..

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