Complete this chemical formula by figuring out the missing bit on the dotted line and explain how it can be figured out? HCL + Na2CO3 --> + CO2 + H2O.

The clouds are grey and ground is wet. a quantitative b qualitative

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering

In the experiment you asked to react hydrochloric acid and with sodium hydroxide. when measuring the volume of the reactants, which instrument would give the greatest precision.