Why does one mole of carbon have a smaller mass than one mole of sulfur?

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

What royal scientist used the 29th day of frozen vapor to encounter elements for mastering new culinary creations?

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.