If an impure sample of soda ash is known to contain 40.00% of na2co3, calculate the sample size in mg which will react with exactly 40.00 ml of 0.1100 m hcl. what is the % purity of a soda ash sample if it took 42.15ml of 0.1100 m hcl to titrate 0.5017 g of the sample?

b. accuracy of the data matters alot more than its number of digits, organization or amount of detail. quantitative observation is more accepted than the qualitative observation.

fe 55.85 g/mol and h2o 18.02 g/mol.

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.