Determine the numbers of milligrams of calcium carbonate
To neutralize the stomach acid a Rolaids tablet contains the calcium carbonate. If 44.55 mL of 0.448 M hydrochloric acid is needed to neutralize a single tablet, determine the numbers of milligrams of calcium carbonate are in a Rolaids tablet?
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Find out the required angular speed rev/min of the ultra-centrifuge for the radial acceleration of a point 2.50cm from the axis to equal 400000g (i.e., 400000 times the acceleration due to the gravity)
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