Determine the pH when 35.00 mL of a .2000 M HClO reacts with 25.00 mL of a .2500 M KOH.

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?

Chlorophyll a had the molecular formula c55h72mgn4o5 how many atoms are in this molecule