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Based on the given ion concentration for water below,what is the alkalinity (in mg/L as CaCO3)Note :the ion concentration s in the table below are NOT given in mg/l as CaCO3. table(THE NUMBERS 2+ are superscripts and 3- are subscripts) ion mg/L Ca2+ 60 Mg2+ 42 CO3 ,2- 58.4 HCO3- 110 ph 10.2
The mass of an atom of beryllium is 1.5 x 10^-26 kg. How many beryllium atoms are present in beryllium film of mass 0.37 g used as a window on an x-ray tube
The formula for the illegal drug cocaine is C17H21NO4. What is the percentage of hydrogen in the compound?
How many liters of ethane, measured at 17.0 degrees Celsius and 719 Torr, must be burned to liberate 2.94 X 10^4 kJ of heat?
Evaluate reversibility of a process where an ideal monoatomic gas is first slowly compressed 10-fold by a gradually increasing external pressure (gas remains in thermal equilibrium with the surroundings)
Carbon sequestration technologies are being actively explored by researchers as methods to remove CO2 from the atmosphere, thereby diminishing the greenhouse effect.
What is the initial (before any reaction takes place) lead nitrate concentration when 4.0 mL of 0.034 M lead nitrate is added to 11 mL of 0.0052 M sodium chloride
Calculate the concentration of ions in the following solutions, [I] in AgI in AgI solution with [Ag+] = 9.6E-9 M Ksp=8.3E-17
The reaction between solid sodium and Iron (III) oxide is one in a series of reactions that inflates an automobile airbag.
How many collisions does a single Ar atom make in 1.0 s when the temperature is 25 C and the pressure is (a) 10 bar, (b) 100 kPa, (c) 1.0 Pa
If the pH of a solution is 4.2 (at 25 degrees C) what is the hydronium and hydroxide ion concentrations, and the pOH of the solution
A pH of 3.74 is reached when 18.50 mL of sodium hydroxide has been added to the acid solution. What is the molar mass of formic acid given this data?
a critical reaction in the production of energy to do work or drive chemical in biological systems is the hydrolysis of adenosine triphosphate, ATP to adenosine diphosphate ADP
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