What is the mass of 0.500 mole of Ba? (Watch sf's) 68.7 g 137.3 g 68.65 g 69 g

Hydroxyapatite, Ca 10 (PO 4) 6 (OH) 2, has a solubility constant of Ksp = 2.34 * 10 - 59, and dissociates according to Ca 10 (PO 4) 6 (OH) 2 (s) - ⇀ ↽ - 10 Ca 2 + (aq) + 6 PO 3 - 4 (aq) + 2 OH - (aq) Solid hydroxyapatite is dissolved in water to

Which element will most likely form covalent bonds with fluorine? f carbon g tin h potassium j neon?

Which statement is true a. all mixtures are solutions b. all mixtures are acidic c. all solutions are mixtures d. all solutions are alkalizing

16. What is the ratio of the actual yield to the theoretical yield, multiplied by 100% a. Mole ratio b. Percent yield c. Avogadro yield d. Excess yield

Which term specifically describes small chunks of rocks and debris in space that travel through the Earth's atmosphere and hit its surface? meteorites, meteoroids, meteors, meteorides

Why do scientists say that this technology will not harm fish in the area?

What is the primary cause of global wind patterns on earth?

What is the central argument about global warming

How many mL of a 4.50M NaBr solution are needed to make 250 mL of a 0.75M solution of NaBr?

Calculate the density of propanol c3h8o if you know that there are 1.069*1025 molecules of propanol in 1.35 l.