You need to make an aqueous solution of 0.249 M iron(III) chloride for an experiment in lab, using a 500 mL volumetric flask. How much solid iron(III) chloride should you add

What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?

What is the relation between concentration of reactants and the rate of chemical reaction?

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?