SHOW ALL WORKINGS:
1. Calculate the relative formula mass of SnF2.
2. Calculate the percentage by mass of fluorine in SnF2
3.Toothpaste contains 1.2g of SnF2, calculate the mass of fluorine in this tube of toothpaste
4. What mass of Sn will be required to react with an excess of fluorine to produce 6.28g tin(II) fluoride?
5.A sample of the solvent used in one perfume contained 0.60g of carbon, 0.15g oh hydrogen and 0.40g of oxygen. Calculate the empirical formula of the solvent
