This is what I have so far but I don't know how to get the number of molecules within Benzoyl Peroxide? Benzoyl Peroxide aqueous Base, Acne Treatment Gel contains 10% of benzoyl peroxide (C14H10O4)

Molar mass of benzoyl peroxide is (2x14) + (1x10) + (16x4) = 168 + 10 + 64 = 242 g/mol

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i