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4. An aqueous solution of Mg(OH)2 is added to an aqueous solution of HCl to form solid MgCl2 and H2O. If 40.5g of Mg(OH)2 and 35.0g of HCl are used:
a) Define limiting reactant
b) Determine the limiting reactant.
c) Calculate the mass of MgCl2 produced after the reaction has completed. d) If the percentage yield of MgCl2 is 85%, calculate the actual mass of MgCl2 obtained.
[ Ar : Mg =24.3 , H=1.0 , O = 16.0 , Cl = 35.5 ]
1.Write the balanced chemical equation for the reaction
2. Assuming the reaction gives the maximum yield of NH3 calculate
The volume of NH3 produced
The excess of any
reactant gas
The total volume of gaseous mixture after reaction
Turpentine, a hydrocarbon commonly used as paint thinner, burst into a flame when warmed and placed in contact with chlorine
C10H16 + 8Cl2 → 10C + 16HCl
How many moles of HCl are form from 0.025 mole of C10H16?
How many moles of Cl2 are required to react with 3.6 g C10H16?
Calculate the mass of C produced when the amount of C10H16 given above in (c) react with Cl2?
Calculate the number of C atoms produced in (d).
Solve problem
What is the volume occupied by 12 moles of nitrogen gas at STP?
Use the ideal gas law to derive an equation that relates the remaining variables for a sample of an ideal gas if the following are held constant.
a. amount and volume
b. pressure and amount
c. temperature and volume
d. temperature and amount
e. pressure and temperature
7. What is the mass of oxygen combine with 15.76 g of gold in a sample of gold oxide, AuO2?
7. What is the mass of oxygen combine with 15.76 g of gold in a sample of gold oxide, AuO2?
Solve the problem below and identify what gas law is used to solve it.
A 1.00 mol sample of gas at 25
Suppose you have an element with a Radioactivity of 175 Rad. What will be the
resulting Radioactivity if it undergoes its a)1st half-life? b)2nd half-life? and c)5th half-life? with solution
#333702 on Dec 2022