What concentration of HOCl (Ka = 3.5 × 10-8) has the same pH as that of 2.50 × 10-4 molar HNO3? (Hint: HNO3 is a strong acid.)

What is driving behind plate tectonics (plate movment)? a) gravity only b) inertia c) convection and gravity d) the sun theres no option for science so i picked chemistry. plz

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

Summarize possible ways in which phases of matter could combine to form a solution.