Determine how many kgs of Ca are there in a 205-pound man If 1.4 percent of the mass of a human body is calcium(Ca)?
An antacid tablet dissolves in H2O the fizz is due to a reaction between citric acid (H3C6H5O7) and sodium hydrogen carbonate (sodium bicarbonate, NaHCO3) determine how many moles of CO2 can be formed if one tablet has 0.0119 mol Sodium bicarbonate or sodium hydrogen carbonate is dissolved