Question
2HBr+Mg(OH)2 -> MgBr2+2H2O
how many mL of a 0.2 M HBr solution is required to react with 40 mL of a 0.40 M Mg(OH)2 solution
how many mL of a 0.2 M HBr solution is required to react with 40 mL of a 0.40 M Mg(OH)2 solution
Answers
DrBob222
How many mols Mg(OH)2 do you have? That's mols = M x L = ?
How many mols HBr will that use. The coefficients tell you 2 mols HBr are required for every mol Mg(OH)2.
Then M HBr = mols HBr/L HBr. You know mols and M, substitute and solve for L, then convert to mL.
Post your work if you get stuck.
How many mols HBr will that use. The coefficients tell you 2 mols HBr are required for every mol Mg(OH)2.
Then M HBr = mols HBr/L HBr. You know mols and M, substitute and solve for L, then convert to mL.
Post your work if you get stuck.