What’s an appropriate isotope that you would use to get an age date for a triceratops fossil?

3.) for each of the following compounds, draw the major organic product of reaction with hcl or naoh and circle whether the starting materials and products will be more soluble in organic solvent or water benzoic acid + hcl: benzoic acid + naoh: oh benzoic acid water/organic water organic fluorenone hс: fluorenone + naoh: fluorenone water/organic water/organic веnzocaine + hci: benzocaine + n»oh: h2n benzocaine water/organic water organic o=

Can someone me with questions 15 to 17 plz.

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?