2AgF(aq)+Na2CO3(aq)=Ag2CO3(s)+2NaF( aq) net ionic equation

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

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

In the millikan oil drop experiment they determined that every drop had a charge which was a while number multiple of -1.60x10^-19. if a drop has a total charge of -9.60x10^-19 then how many excess electrons are contained within the drop?