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

Which of the following describes the way an object moves when an unbalanced force acts upon it? The object will move in the direction of the force. The object w
What are the elements of medieval painting?
Who are the boys of 49 in the donner party
How does sea breeze affect weather?
How does Cry, the Beloved Country, by Alan Paton, reflect the cultural experiences of South Africans in the late 1940s? By depicting the bus boycott, the novel
Which of the filling historical stages of capitalism came first?
What resulted from the Treaty of Versailles? A. France had to return German prisoners to Germany. B. Germany had to elect a new head of government. C. German
Which property is applied to (5-6y)-(9y+2) to get -(9y+2)+(5-6y)Explain you answer I need you to explain to me if you help I have to write it down
did new England states offer ideal conditions for farming
Which statements correctly describe something about resources? (there is more than one answer) A) The use of nonrenewable resources has decreased in recent hist