What will be the ph if 000820 mol of ha pka234 and 000820
What will be the pH if 0.00820 mol of HA (pKa=2.34) and 0.00820 mol of A- are dissolved in water to make 1.000 L of solution? Hint: this is a dilute acid problem
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Three capacitors (3.81, 5.89, and 11.3 ?F) are connected in series across a 45.0 V battery. Calculate the voltage across the 3.81 F capacitor?
Sulfamic acid (FM 97.094) is a primary standard that can be used to standardize NaOH. What is the molarity of a sodium hydroxide solution if 38.92 mL react with 0.3341 g of sulfamic acid
The country of Benin both grows and imports rice. If the government of Benin wants their rice farmers to earn more for their rice than the world price but does not want its consumers to pay more for the rice than the world price so as to keep the
A coin placed 29.0 cm from the center of a rotating, horizontal turntable slips when its speed is 50.2 cm/s, What is the coefficient of static friction between coin and turntable
What will be the pH if 0.00820 mol of HA (pKa=2.34) and 0.00820 mol of A- are dissolved in water to make 1.000 L of solution? this is a dilute acid problem
When someone owns an asset (such as a share of stock) that rises in value, he has an "accrued" capital gain. If he sells the asset, he "realizes" the gains that have previously accrued. Under the U.S. income tax, realized capital gains are taxed
A block of glass with flat sides is surrounded by air. A ray of light traveling in the glass (refractive index na) is incident on the flat interface with air at the top surface of the block of glass, What is the refractive index of the glass
Calculate how much energy in the form of heat is available from 100mL of this mixture and compare it with the amount available from pure gasoline
The marginal tax rate is defined as the extra taxes paid on additional income divided by the increase in income. Calculate the marginal tax rate for the proportional tax system as income rises from $50,000 to $100,000.
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