How many grams of silver chromate will precipitate when 100.0 mL f 0.500 M silver nitrate are added to 100.0 mL of 0.400 M potassium chromate? Use the following reaction (note, this is also a limiting reagent reaction)
2AgNO3 (aq) + K2CrO4 (aq) > Ag2CrO4 (s) + KNO3 (aq)
Follow significant figures rules and do not write the unit.

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

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

A) equal lines b) parallel lines c) perpendicular lines d) none of the above