Consider the following chemical reaction: Mg(s) + HCl(aq)
MgCl2(aq) + H2(g)
Al(s) + HCl(aq)
-> AlCl3(aq) + H2(g)
5.00 g alloy of magnesium and Al are added to 100.0 mL. of 3.64 M of HCl (aq)
Calculate mass % of magnesium in the alloy.
A. 32.6%
B. 88.0%
C. 64.4%
D. 18.2%

What does x represent in the formula for the compound xcl4?

Identify the missing numbers below to show the result of multiplying the numbers (1.6 × 10-19)(5.0 × 106) = c × 10d

Consider the following unbalanced equation for the combustion of hexane: αc6h14(g)+βo2(g)→γco2(g)+δh2o(g) part a balance the equation. give your answer as an ordered set of numbers α, β, γ, use the least possible integers for the coefficients. α α , β, γ, δ = nothing request answer part b determine how many moles of o2 are required to react completely with 5.6 moles c6h14. express your answer using two significant figures. n n = nothing mol request answer provide feedback