What is the mass of two moles of HNO3?

This large tectonic plate is bounded on three sides by whats know as the ring of fire. what is the name of this tectonic plate? a) pacific plate b) eurasian plate c) north american plate d) indo- australian plate plz it's science but there's no option for science so i picked chemistry

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

How to calculate the mass of copper