When 50 ml of 2m hclaq is added to 50 ml of 2m nh3aq how
When 50 mL of 2M HCl(aq) is added to 50 mL of 2M NH3(aq), how much NH4Cl is formed? (MW NH4Cl = 53.49).
A. 10.70 g
B. 2.67 g
C. 2.14 g
D. 5.35 g
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Calculate the pH of a mixture of .25M acetic acid and .1M sodium acetate. The pKa of acetic acid is 4.76.
The current flowing into a particular capacitor is given by the expression I = 6e^(-0.05t) where I is in Amps and t is in seconds. The voltage across the capacitor during the same time period is given by V = 10-10e^(-0.05t) where V is in Volts.
What is a lower bound for the price of a four month call option on a non-dividend-paying stock when the stock price is $28, the strike price is $25, and the risk-free interest rate is 8% per annum?
In a He+ ion, the electron is in 3S state Assume that units can be chosen that a = 4 ? ?0 h2 / (M e2) = 1, write down the corresponding wavefunction
When 50 mL of 2M HCl(aq) is added to 50 mL of 2M NH3(aq), how much NH4Cl is formed?
Compare and contrast traditional and Roth IRAs. Based on your comparison, which one do you think is a better vehicle for retirement saving? Does your determination depend on age, income level, tax bracket, etc?
Suppose the current exchange rate for the Russian ruble is RUB 30.15. The expected exchange rate in three years is RUB 33.86. Assume that the anticipated inflation rate is constant for both countries.
A stainless-steel orthodontic wire is applied to a tooth that is out of line by 40 degrees. find the magnitude of the force on the tooth
Initial temperature of rod = 100 °C; mass of H2O in calorimeter =130 g; cH2O = 4.184 °C g . (Assume the calorimeter has negligible heat capacity).
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