A573-mL sample of unknown HCl solution reacts completely with Na, CO3 to form 10.1 g CO2. What was the concentration of the HCl solution?
Express the molar concentration numerically.

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.

What causes most sediment to wash or fall into a river

What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm