The equation for the reaction is: C6H807 + 3NaOH → C6H5O Na3 + 3H20
The concentration of the sodium hydroxide was 0.102 mol/dm3
Concordant results are those within 0.10 cm of each other.
Calculate the concentration of the citric acid in mol/dm3
Use only the concordant results from Table 5 in your calculation.
You must show your working.

Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.

0.09 moles of sodium sulfate in 12 ml of solution

If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?