What would happen to a person’s mass if the composition of isotopes on earth changed? Why? Help please!!

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

If two atoms are bonded to a central atom with no lone pairs, how will they be arranged

Calculate the mass of carbon in 97.0 g of sucrose c12h22o11