1.4 g of a mixture of CaCo3 and MgCO3 was dissolved in 200 ml of 0.2N HCL solution. After the reaction was completed, the resulting solution was diluted to 250 ml and 10 ml of this solution required 12 ml of
N/30 NaOH solution for complete neutralization. Calculate the percentage composition of the mixture.

Which statement correctly describes metallic bonds? a. they form when certain atoms lose electrons and other atoms gain electrons. b. they involve an attraction between anions and cations. they always involvpoth a metal and a nonmetal. d. they can only form between atoms of the same element. e. they form because electrons can move freely between atoms.

3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?

Define the kinetic molecular theory