Homework Help: CHEMISTRY STOICHIOMETRY!!!!!!!!

Posted by akan on Saturday, November 10, 2007 at 7:44am.

AN an antacid tablet contains 0.1g of magnesium hydrocarbonate, what nass of stomach acid, HCL, will it neutralise?

Wine is made by the fermentation of the sugar in grapes.
Surose-> Ethanol+Carbondioxide.

Whta massof ethanol can be obtained from 6.00kg of sucrose?

CHEMISTRY STOICHIOMETRY!!!!!!!! - DrBob222, Saturday, November 10, 2007 at 2:08pm
You would do better to post one problem per post.
#1.Write the equation.
Mg(HCO3)2 + 2HCl==>MgCl2 + 2H2O + 2CO2
Convert 0.1 g Mg(HCO3)2 to mols.
Convert mols Mg(HCO3)2 to mols HCl using the coefficients in the balanced equation.
Convert mols HCl to g using g = mols HCl x molar mass HCl.

#2. Write the equation.
C6H12O6 ==>2C2H5OH + 2CO2
Convert 10 kg sucrose to mols.
Convert mols sucrose to mols ethanol using the coefficients in the balanced equation.
Convert mols ethanol to g ethanol using mass = mols ethanol x molar mass ethanol.
Check my work. Check my thinking.

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