QUESTION

The following Practice is in TEST MODE:
It does not accept units in the answer.
It also may occasionally not properly keep track of SF.
Take a screen capture/photo of any errors and report to Jay

Answer the following question:
Given the following reaction 1 Mg (s) + 2 HCl(aq) -> MgCl2 (aq) + H2 (g)
If a reaction produces 926 mL of H2 gas at 34.7 C and 260. mmHg, how many grams of Mg are required for the reaction?