A solution of HCl is known to be 0.5622 N. When titrated against KOH, 45.22 ml of the acid neutralized 48.23 ml of the base. Calculate the N of the base.
What is the pH of the solution containing 0.20 M NH3 and 0.15M NH4Cl?
Given the equation 10 Na + 2 NaNo3. ------ 6 Na2O + N2
How many grams of NaNo3 must be reacted in order to produce 4.5 g of Na2O?
Given the equation 6 K + B2O3----- 3 K2O + 2B
How many grams of B will be produced if you react 6.25 g of K are reacted?
Given the equation 10 Na + 2 NaNO3--- 6 Na20 + N2
How many grams of Na must be reacted in order to produce 30g of Na2O?
Given the equation 6K + B2O3 ---- 3 K2O + 2B
If i react 2.5 g of B2O3 How many grams of B will be produced?
Given 2 H3PO4 + 3 Mg(Oh)2---Mg3(PO4)2 + 6 H2O
If you react 2.75 g of Mg(OH)2 you will produce how many grams of H2O?
Given 2 H3PO4 + 3 Mg(OH)2 --- Mg3(PO4)2 + 6 H20
How many grams of H3PO4 must be reacted in order to produce 0.33 g of H2O?
Given 2 H3PO4 + 3 Mg (OH)2---Mg(PO4)2 + 6 H2O
How many grams of H3PO4 must be reacted with 10.55 g of Mg (OH)2?
Given 2 H3PO4 + 3 Mg (OH)2 --- Mg3 (PO4)2 + 6 H2O
How many grams of H2O will be produced in the same reaction that produces 2.68 g of Mg3 (PO4)2?
Given the Equation 6K + B2O3. 3K2O + 2B
How many grams of K2O will be produced whe you react one 3.5 g of B2O3
The normal boiling point of C6H5Br is 156.15 celsius . Using Trouton’s Rule find the
vapor pressure at 100 Celsius and compare with the observed value of 141.1 mm Hg.
Calculate the pH of the following acid or base.
pOH =
pH =
pOH =
pH =
What happened to the number of moles in a sample that originally occupied
500mL with 3.50 moles and then occupied 700 ml?
how many formula units of iron (III) oxide can be produced from the reaction of 108 g of iron with 72.1 L of oxygen gas at STP?
how many formula units of iron (III) oxide can be produced from the reaction of 108 g of iron with 72.1 L of oxygen gas at STP?