How should the solute and solvent be mixed ...
all at once or a little at a time , why?

Consider this initial-rate data at a certain temperature for the reaction described by

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.

What is the mass of phosphorous in a 51-kg person