4. A sample of Flint tap water contains 5.0 x 10 mg of lead per 1 liter (5.0 x 10 mg = 1 liter) of solution. How many grams of lead would be contained in 500.0 mL of this solution?

Using the thermodynamic information in the aleks data tab, calculate the standard reaction free energy of the following chemical reaction: →+p4o10s6h2ol4h3po4s round your answer to zero decimal places.

What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?

Which statement best describes isomers? a. isomers are alcohols that have the same functional group. b. isomers have at least one carbon-carbon double bond. c. isomers have the same molecular formula but different structural properties.