What is the pH of 2x10^-7 M HCl aqueous solution

Non renewable resources like petroleum eventually

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.