How many milliliters of a 6.0 M HNO3 solution are needed to make 0.25 L of a 3.5 M HNO3 solution?

Calculate the percent composition of hydrogen and oxygen in  

What is the concentration of an AlCl3 solution if 150. mL of the solution contains 250. mg of Cl- ion?

an oxidizing agent is a species that

How many milliliters of a 9.0 M H2SO4 solution are needed to make 0.45 L of a 3.5 M solution?

What is the concentration of FeBr3 in a solution prepared by dissolving 10.0 g of FeBr3 in enough water to make 275 mL of solution?

What volume of a 0.540 M KOH solution contains 15.5 g of KOH?  

What Nevada prize fight(s) between an African American fighter and a white fighter was promoted by Goldfield publicists (including George Graham Rice) as a way to attract attention to Goldfield business interests? 

Which valvular condition is characterized by the valve opening being constricted, hardened, and narrowed, requiring increased energy to push blood through, and causing the valve leaflets, or cusps, to fail to open completely?

What innovations did Raymond I. “Pappy” Smith and Harold Smith bring to gambling in Reno?