0.75 moles of HF and 1.00 mole of NaF were added to 1.00 L of water. To this solution was added 0.200 mol of NaOH. What was the final pH of the solution

If 1.63 times 10 negative 4 of helium dissolves in 100.0g of water, what is the concentration in parts per million

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Will mark brainliest 26. which of these statements are true? (3 points) a. gases are compressible b. gases fill their containers completely c. the pressure of a gas is independent of the temperature d. gases have mass e. gases exert pressure f. the pressure of a gas is dependent on the volume g. gas pressure results from the collisions between gas particles h. gases have a definite volume and shape