How many grams of Ba(NO3)2 are required to precipitate all the sulfate ion present in 15.3 mL of 0.139 M H2SO4 solution? Ba(NO3)2(aq) H2SO4(aq) S BaSO4(s) 2HNO3(aq)

Chemistry 131 – General Chemistry 131 Chemistry: the study of matter, its transformations, and how it behaves Dimensional Analysis: a general problem-solving approach that uses the dimensions or units of each value to guide the calculations done Conversion Factor: a multiplier that relates the desired unit to the starting unit Example: Using dimensional analysis, express 24 hours in units of minutes. 24 hours x conversion factor = number of minutes 24 hours x 60 minutes = 1,440 minutes 1 hour SI and Metric System Prefixes: mega (M) Factor of 1,000,000 (10 )6 3 kilo (k)