sample of acid h2x of mass 12,25g dissolves in water, making a solution of 500 ml. 25 ml of this solution, requires 12,25ml of KOH for full neutralisation. what is the Mr of HX?

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?

Match the formula for the following compound:   magnesium sulfate heptahydratemgs·7h2omg2so4·7h2omg(so4)2·7h2omgso4·7h2o