Answer:0.2
Step-by-step explanation:
Moles = mass/Molar Mass
Mass = 12.6 grams of HNO3
Molar Mass = 1 + 14 + 3(16) = 63 g (these numbers are the molar masses of Hydrogen, Nitrogen, and 3 times oxygen
now moles = 12.6 g/ 63g = 0.2
8.9m questions
11.6m answers