A rubber ball contains 5.70*10⁻¹ dm³ of gas at a pressure of 1.05 atm. What volume will the gas occupy at 7.47 atm?

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

How many moles of bromine are needed to produce 3.23 moles of potassium bromide

If you need to add 27.50ml of a solution, which piece of glassware would you use to deliver this volume and explain how you would determine if the 27.50 ml was measured?