If 100. g FeCl2 reacts, and in the lab 87.0 g of NaCl is recovered, what is the percent yield?

In the reaction between a crushed antacid tablet and vinegar what gas is emitted

Use the measurements in the table to determine which unidentified metal has the highest density. metal volume mass a 10.5 cm3 122 g b 14.2 cm3 132 g c 16.1 cm3 115 g d 12.7 cm3 126 g

Calculate the concentration of all species in a 0.165 m solution of h2co3.