And HCI solution has a concentration of 4.5×10-7M. What is the pH of this solution?

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5

Which of the following are correct values for the ideal gas laws constant r