2HCl + MgS → H2S + MgCl2 If you start with 2 moles of HCl and 1.2 moles of MgS, how many moles of H2S can form?
What is the limited reactant?
What is the excess reactant?
How much product will form?
How much of the excess reactant will remain?

What is the value of keq for the reaction expressed in scientific notation

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5