PLZZZ help asaap plz its 50 points pl Calculate for the formula mass (for ionic compounds) and molecular mass (for covalent compounds): Mg3 (AlO3)2

(NH4)2 C2O4

Al 4 ( Fe (CN)6)3

Suppose you got a low yield of benzoin from your benzoin condensation reaction and thus only have 0.300 g of benzoin to use as the starting material for this reaction. how much concentrated nitric acid should you add? (concentrated nitric acid is 15.8 m). write your answer in the form x.xx ml

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

Citric acid has a ph between 1 and 3.  it is considered to be aa. weak acidb. weak basec. strong based. strong acid