A solution has a Ca 2+ concentration of 0.049 M and an F- concentration is 0.147 M at equilibrium. The value of k sp for CaF 2 at 25°C is 4.0 x 10 -11 . Will this solution form a precipitate? Yes
No

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?

When you mate two plants together the terms is called? answer it fast as possible plz! i have a test tomorrow!

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