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3.3 Exercise 8

Avg difficulty 2.5

Calculate the number of moles and the mass of the solute in each of the following solutions:

(a) 2.00 L of 18.5 M H2SO4, concentrated sulfuric acid

(b) 100.0 mL of 3.8 ×\times 10−6 M NaCN, the minimum lethal concentration of sodium cyanide in blood serum

(c) 5.50 L of 13.3 M H2CO, the formaldehyde used to “fix” tissue samples

(d) 325 mL of 1.8 ×\times 10−6 M FeSO4, the minimum concentration of iron sulfate detectable by taste in drinking water

OpenStax Chemistry 2e, 3.3 Molarity, exercise 8

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Adapted from General Chemistry © 2019 Rice University. Licensed under CC BY 4.0. Sources: Chemistry 2e, Chemistry: Atoms First 2e. Imported at revision 32c7196.