Note the mass of a copper(I) oxide formula unit in the image below. What is the mass of 8.250 moles of Cu2O? (The mass is 143.091 u)

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

Chromosome 17 is made of over million base pairs.