It was observed that heat is evolved when 25g of sodium hydroxide is dissolved in 100 mL of pure water. Do you think there will be any change in mass of the solution? Find the mass percentage of
the solution?

Perform the following mathematical operations and report the answer to the appropriate number of significant figures 5.87998 + 3.100

Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)

Bohr's model could only explain the spectra of which type of atoms? single atoms with one electron single atoms with more than one electron bonded atoms with one electron bonded atoms with more than one electron