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Problem- A 0.107 M HCl solution is used to titrate a solution of Ba(OH)2. It was found that 37.6 mL Ba(OH)2 was titrated by 43.8 mL HCl. What is the molarity of the Ba(OH)2 solution?) (First write the balanced chemical equation.)
I desire to know how this is done please illustrate all steps in detail
Calculate the mass of methane that must be burned to provide enough heat to convert 151.0 g of water at 43.0°C into steam at 124.0°C.
two naturally occurring isotopes, Re-185 (mass = 184.935 amu) and Re-187 (mass = 186.956 amu). Calculate the percent abundances of the isotopes of rhenium.
Question- Automobile airbags contain solid sodium aside, NaN3, that reacts to produce nitrogen gas when heated, thus inflating the bag. 2NaN3(s) -> 2Na(s) + 3N2(g) Calculate the value of w (work) c following system if 20.4 g of NaN3 reacts complet..
What is the wavelengths associated with an electron moving at 1.5x10^8 cm/s and a 60g tennis ball moving 1500 cm/s. Which particle has a longer wavelength
If 95 0C of heat are added to a pure gold coin with a mass of 20 gm, what is its temperature change? Specific heat capacity of gold is 0.128 .
Liquid Chlorobenzene flows through a pipe at a rate of 3M^3/min. What is the mass flow rate of the stream in kg/h. What is the molar flow rate in mol/s
Problem- Describe observable differences between elemental copper and CU^+2 ION and between H2 and H+(H3O+) ion.
Determine the pH of the solution resulting from the combination of 40.0 mL of 0.200 M Perchloric acid and what is the mass in mg
A titanium bicycle frame contains the same amount of titanium as a titanium cube measuring 6.6cm on a side. 1) Use the density of titanium to calculate the mass in kilograms of titanium in the frame.
a 52kg person is standing on a bathroom scale in an elevator moving upward. a if the scale reads 58kg what is the
Calculate the vapor pressure of this solution at 25.0 degrees C. At this temperature, the vapor pressure of pure water is 23.8 mmHg.
Calculate the pH of a solution that is 0.295 M in sodium formate (NaHCO2) and 0.205 M in formic acid (HCO2H). the Ka of formic acid is 1.77x10^-4.
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