20.0 cm3 of dilute nitric acid was put in a flask. Potassium hydroxide solution (concentration 1.0 mol/dm3) was added from a burette.
The mean volume of potassium hydroxide used in the titration was 26.5 cm3. What was the concentration of the acid?

Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space

How many moles of kci are produced from 2.50 moles k

Which of the following will cause an increase in the acceleration of an object? increase force decrease force increase mass decrease mass