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What is the molarity of a hydrochloric acid solution if 40.0 mL of HCl is required to neutralize 2.43g of calcium carbonate (MM = 100.09 g/mol)?
2 HCl(aq) + CaCO3(aq) --> CaCl2(aq) + H2O(l) + CO2(g)
Determine what is element Y if you have a compound consists of element "Y" and H, only and know that it is 79.89% element Y by mass. Each molecule has 3.00 times as many H atoms as Y atoms?
Assuming that this reaction is complete and that there is 153 mg/l of CaSO4 initially present, what is the mass of soda ash that must be added to 1 liter of the water
If solutions of NH4Cl (aq) and NH3 (aq) are mixed, which ions in the resulting solution are spectator ions in any acid-base chemistry occurring in the solution
What would be the initial rate of formation of I3 (in units of M/s) when the following initial concentrations were used
Assuming a linear response between current and concentration, calculate the concentration of Pb(II) in the sample by (a) neglecting the information provided by the internal standard
show the total ionic and net ionic forms of the following equation. make sure the equation is balanced before proceeding. Fe(s) + CuSO4(aq)
make a stock solution of D2O/DMSO. How can I go about using serial dilutions from stock solution in order to get 1 microliter of DMSO?
how many moles of dinitrogen tichloride correspond to 645 mg of dinitrogen trichloride? how many nitrogen atoms would
In the Lewis formula that minimizes formal charge, what is the formal charge on the sulfur atom in sulfur trioxide, SO3?
Determine the vapor P lowering, freezing point depression, boiling point elevation, and osmotic pressure when the sample is dissolved in 10.0 g water
What covalent bond in methyl salicylate and water were broken during reaction of converting methyl salicylate to salicylic acid?
What is the effect 1 mol of ideal gas p1 =760kpa p2= 202kps T= 37dgree c T2= 155k does the volume changed. by what factor is change.
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