A test solution contains 15mg/cm^3 of Pb^4+ ion. What mass of PbBr4 must be used to make 1500 cm^3 of the test solution?

If a plot weight (in g) vs. volume (in ml) for a metal gave the equation y= 13.41x and r^2=0.9981 what is the density of the metal?

2. you__turn left on a red light if you are in the left-most lane of a one-way street, you're turning into the left-most lane of a one-way street, and no nearby sign prohibits the turn.

Calcium chloride +gold(1) oxide—>