bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye bye

Apush or pull that moves or changes and object when to objects touch

Asample of hydrated tin (ii) chloride (sncl2) has a mass of 4.90 g. when it is dehydrated, it has a mass of 4.10 g. which is the correct chemical formula for the hydrate? sncl2•2h2o          sncl2•4h2o          sncl2•6h2o

If a solution contains 3 moles/liter of sodium chloride (nacl, made of sodium ions and chloride ions), what is the osmolarity of this solution