Abuffer that contains 1.05 m base, b, and 0.700 m of its conjugate acid, bh+ , has a ph of ph = 9.300. what is the ph after 0.0045 mol of hcl is added to 0.450 l of this solution?

What is the molar mass of a gas that has density of 2.054 g/l

Which of these is an example of pseudoscience? a) predicting the time of sunrise based on data on position of earth b) predicting the date of the moon phases based on data on position of earth c) predicting eclipses based on the position of the sun and the moon d) predicting future events in a person's life based on the position of the moon

If a solution contains 3 moles/liter of sodium chloride (nacl, made of sodium ions and chloride ions), what is the osmolarity of this solution