If a solution of 0.105 M NaOH is used to titrate 50.0 mL of a 0.0224M H3PO4 solution, what volume of NaOH solution in mL is required?

 

 

 

 

In the reaction of calcium carbonate with hydrochloric acid, what are the coefficients?

 

CaCO3 + HCl >>>>;  CO2 gas + CaCl2 +  H2O

 

 

 

 

The equilibrium constant for the reaction

 

H2(g)+I2(g) >>> 2HI (g)

 

 is Kc = 54

 

If the equilibrium mixture contain 0.059 M H2 and 3.829 M HI, what is the molar concentration of I2 at equilibrium?

 

 

 

 

acetylene is generated by the reaction

 

CaC2(s)+2H2O(l)>>C2H2(g)+Ca(OH)2(aq)

 

If excess water is added to 34.84 g of calcium carbide, how many grams of acetylene are theoretically produced?

 

 

 

A pot of water containing 8.06 L of water are raised from room temperature (25.0 °C) to boiling. How much heat in kJ is required? Density of water is 1.00 g/mL , specific heat is 4.184 J/(g °C) .

 

How many grams of (NH4)2CO3 are in 0.680 moles of (NH4)2CO3 ?

 

 

71.2 g of KI are dissolved in 125 mL of solution. What is the % (m / v) of KI?

 

 

How many mL of a 18.0 M solution H2SO4(aq) solution are needed to make 2.00 L of a 0.900 M solution?

 

4.If [H3O+] = 9.4 x 10-5 , what is the pH?

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