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1 . What is the concentration of HCl if it takes 63.0mL of 0.1 M NaOH to neutralize 140mL of the acid?
2 . If it takes 58.5mL of of 0.5 M potassium hydroxide to neutralize 135 mL of sulfuric acid, what is the concentration of the acid?
3 Describe the preparation of 2.00 L of 0.0500 M AgNO3 from the primary standard grade solid. Atomic masses: Ag = 108 N = 14 O =16
1.What is the concentration of HCl if it takes 63.0mL of 0.1 M NaOH to neutralize 140mL of the acid?
2. If it takes 58.5mL of 0.5 M potassium hydroxide to neutralize 135 mL of sulfuric acid, what is the concentration of the acid?
3. Describe the preparation of 2.00 L of 0.0500 M AgNO3 from the primary standard grade solid. Atomic masses: Ag = 108 N = 14 O =16
if p1=4 atm and v1=3 l, what will v2 be if p2=7.3 atm?
When Iron 2 hydroxide is mixed with phosphoric acid, iron 2 phosphate and water are formed. Write the balance equation foe this reaction. If 3.20g of iron 2 hydroxide I'd treated with 2.50g of phosphoric acid, what is the limiting reagent
it requires 2 sticks of butter to make a batch of 20 cookies. How much butter will it take to make 150 cookies.
5. A balloon has a volume of 2.25 L when the temperature is 40 degree celsius. What will be the volume if the balloon is cooled to 12 degree celsius? Assume the pressure to be constant.
4. A 2.5 litre sample of a gas is heated from 25 degree celsius to 55 degree celsius at constant pressure. Compute the volume at the higher temperature?
3.At 250C, the volume of chlorine gas is 15 dm3 .What is the resulting volume if the temperature is adjusted to 320K provided that the pressure remains constant?
The chloride in a sample containing approxiamately 3.5% NaCl is to be determined
gravimetrically as AgCl. What weight of sample must be taken to obtain a precipitate
that will weigh about 0.10 g?
The equilibrium constant Kp for the oxidation of sulphur dioxide into sulphur trioxide is 5.6x10⁴ at 350°C . if the partial pressure of SO2 and SO3 are 0.64 atm and 0.58 atm respectively, what is the partial pressure of O2 in the system?
2SO2+ O2-> 2SO3
