Since there are 63.01284 grams to one mole of HNO3, then 12.5 moles would be in 450 grams of it.
C. It's so rewarding, people feel emotionally high and fulfilled when they're done.
In volunteering, your primary motivation is to extend your help or assistance and make other people happy. Seeing people happy because of what you are doing, it the ultimate reward of volunteering. Happiness gained from this experience is priceless. It is worth more than any freebies or any material gains you will receive.
Answer:
it has six significant figures
Answer:
Atomic Mass
Explanation:
it is also sometimes below the symbol of the element :)