question 2 a and b
number of significant digits. 1. What are the hazards associated with...
number of significant digits. 1. What are the hazards associated with potassium hydroxide and sulfuric acid solutions? They both react strongly w/ Srong auds and will cai thiough most things line our cluthes and when mixed urth metals Such äs aluminum 'they form frammabie and explosir hydrogen gas 2. Reaction equations and molar ratios a. Write out Equation 1 and 2. What are the mole to mole ratios between aluminum metal and the products that contain the aluminum ion in both reactions? LAIS) +2KOH (a2) the HzO) 72KCAI COH)J taa) t3Hhig) the bas b. What is the mole to mole ratio of the starting aluminum metal and the final product of potassium aluminum sulfate dodecahydrate? 2molA I A student weighs a sample of aluminum foil and determines the mass to be 0.516 g. She then dissolves the aluminum foil in 2.85 M KOH solution. a. Determine the number of moles of aluminum in the piece of aluminum.