7 A solution of epsom salt (MgSO) is created by dissolving 1.49 moles of MgSO4 into water to form 748.0 L of solution.
What is the molar concentration (M) of the solution? (show your work and report your answer with the correct sig figs).
(2 marks)

How does a sample of helium at 15 degree celsius compare to a sample of helium at 215 k? a) the helium at 15 degrees celsius has a higher average kinetic energy that the sample at 215 k. b) the helium at 15 degrees celsius has lower nuclear energy that the sample at 215 k. c) the helium at 15 degrees celsius has slower- moving atoms that the sample at 215 k. d) the helium at 15 degrees celsius has smaller atoms than the sample at 215 k.