Which sentence is true of all Brønsted-Lowry bases?

Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol

When a nucleus absorbs a neutron and then breaks apart, there are many products of the reaction. what is not a product of a nuclear fission reaction

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule