anaWestersscris5 anaWestersscris5
  • 11-11-2016
  • Chemistry
contestada

How many mL of stomach acid (assume it is .035 M HCI) can be neutralized by an antacid tablet containing .231g
Mg(OH)2?

Respuesta :

Аноним Аноним
  • 17-11-2016
Mg(OH)2(aq.) + 2HCl(aq.) --> MgCl2(aq.) + 2H2O(l) 

n(HCl)/n(Mg(OH)2)= 2/1 

n(HCl)= 2*n(Mg(OH)2) 

c= n/V; n= c*V 

n= m/M 

c(HCl)*V(HCl)= 2*m(Mg(OH)2)/M(Mg(OH)2) 

V(HCl)= 2*m(Mg(OH)2)/(M(Mg(OH)2)*c(HCl))= 2 * 0,231 g / (58,326 g mole^-1 * 0,035 mole dm^-3)= 0,226 dm^3= 226 cm^3 (cm^3= mL) 
Answer Link

Otras preguntas

Match each galaxy to its description. A. the Milky Way B. elliptical galaxy C. irregular galaxy 1. contains dust, gas and young stars 2. contains mostly olde
a sample of 144 firecrackers contained 4 duds. how many duds would you expect in a sample of 1584 firecrackers?
How is an angiosperm diffent from a gymnosperm?
Mutualistic associations between roots and soil fungi are called _____.
Which verb correctly completes the following sentence? we _____ to go camping every summer.?
How do say i would like to order a drink please in french?
I need help with this please
Internet travel companies are a part of ____________________________. the key elements of selling benefits to help gain customers for life electronic distributi
Find the equation of the parabola given its focus is at (2,5) and its directrix is at y=1. Can you please help me figure this out, I don't know how to solve it
In the digestive process, food passes from the esophagus into the stomach through the contraction and relaxation of the ______esophageal muscles. (please hel