Sodium phosphate is added to a solution that contains 0.0076 M aluminum nitrate and 0.047 M calcium chloride. The concentration of the first ion to precipitate (either Al3 or Ca2 ) decreases as its precipitate forms. What is the concentration of this ion when the second ion begins to precipitate

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?