Beginning with commercial grade hydrochloric acid, 1.00 x 102 ml of a 12.4 m hcl is added to water to bring the total volume of the solution to 0.820l. what is the concentration of this new solution?

Equal numbers of moles of he(g), ar(g), and ne(g) are placed in a glass vessel at room temperature. if the vessel has a pinhole-sized leak, which of the following will be true regarding the relative values of the partial pressures of the gases remaining in the vessel after some of the gas mixture has effused?

How many energy levels contain electrons in an atom of zirconium (zr)?

Uuestons niuthe no. of millimoles of hcl required to neutralize 10 ml of 0.2 m na2co3 is(a) 2.0 m mole(b) 4.0 m mole(c) 0.2 m mole(d) 0.4 m mole