Someone please help i'm so lost A commemorative Dave & Busters game token is composed of 98% copper, 0.50% tin, and 1.5 % zinc. Assume that mass of game token = 3.24 g

a) How much mass of copper, tin and zinc is there in the coin?

b) How many atoms of each do you have?

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter

For each of the following compounds, decide whether the compound's solubility in aqueous solution changes with ph. if the solubility does change, pick the ph at which you'd expect the highest solubility. you'll find ksp data in the aleks data tab. compounds does solubility change with ph