How many grams of HCL are needed to make 500.0 mL of a 0.100 M solution?

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?