The service rating of passengers car and commercial automotive motor oils
<span>If you look at the chlorine box, with the symbol Cl, you see the atomic mass is equal to 35.453 atomic mass units. This is the weighted average mass of chlorine, including its isotopes, as found in nature. This also means that one mole of chlorine atoms has a mass of 35.453 grams.</span>
Option C coz it should be ( CNH4)2. Hope i cleared your doubt
Answer:
Reacts with salt to from an acid
