The figure below shows how dilution of a concentrated solution by adding water. Can this dilute solution be reversed to a concentrated solution? Suggest how.
tcs252364
Asked:
September 2023
Predict whether the mass is conserved when a solute dissolves in a solvent. Explain your prediction.
tcs252364
Asked:
December 2022
give an example each of useful physical change and chemical change . Explain how they are useful.
tcs252364
Asked:
December 2022
Anna can swim at a speed of 1.2m/s. If the length of a swimming pool is 50m, how many full lengths can she complete in 90 seconds?