Tin (II) fluoride is used in some toothpastes. It is made by the reaction of tin with hydrogen fluoride according to the following equation. Sn + 2HF → SnF₂ + H₂
How many atoms of SnF₂ are produced from the reaction of 30.00 g of HF with Sn?

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma