What charge would you expect on an ion of this fictitious atom? •żE -5, anion O +5, cation +3, cation 0 , -3, anion

Given sno2 + 2h2 - sn + 2h20 tin oxide reacts with hydrogen to produce tin and water. how many moles of sno2 are needed to produce 500.0 grams of sn?

What woukd most likely be the transmittance at a 0.70 m solution of solute a? a) 7.6%b) 1.1%c)4.0%d)4.6%

How do dying stars contribute to the formation of planets