The ph of a certain brand of soap is 9.5. which sentence best describes soap?

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

The boiling point of liquids is very high what does it indicate

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm