What comes before winter in the southern hemisphere

Consider the following system at equilibrium. caco3(s) ca2+(aq) + co32–(aq) the addition of which compound will cause a shift in equilibrium because of a common ion effect? ccl4 co2 cuso4 na2co3

An electrons position cannot be known precisely only it's probability of being in a certain location can be known

Determine the percent sulfuric acid by mass of a 1.61 m aqueous solution of h2so4. %