38. How many formula units (f. un) will 88.36 g of magnesium sulfide (MgS) contain? a. 4.71 x 10-21 f. un of MgS
c. 9.43 x 1023 f. un of MgS
b. 8.28 x 10-21 f. un of MgS
d. 1.66 x 1024 f. un of MgS

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest

How does climate change cause the ocean's thermohaline current to slow down?