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Explain the hydrate of sodium carbonate contains 62.9% water by mass. Utilize this value to verify the chemical formula of the hydrate of sodium carbonate. Presume a 100.0 gram basis
the air in a 5.00- l tank has a pressure of 1.20 atm. what is the new pressure in atmwhen the air is placed in tanks
Determine the pH of (a) a 0.20 M NH3 solution, (b) a solution that is 0.20 M in NH3 and 0.30 M NH4Cl
An aqueous solution contains metal cations Hg^+2 and Mn^+2 belonging to groups 2 and 3 respectively. Thioacetamide which produces H2S is added and the solution is buffered to a pH of 8 by addition of NH3/NH4Cl
Determine the moles of H2O lost. E. Write the empirical formula for hydrated alum, based on your experiment.
Compound B is a gaseous organic compound that consists of 85.6% carbon and 14.4% hydrogen by mass. Exactly 18.384 g of the compound is placed in a stainless steel vessle (10.68 L) with 4.63 mol of oxygen gas at 22.0 deg C. The total pressure in th..
How many grams of HCl are produced according to the following equation, H2 + Cl2 = 2 HCl, when 4.0 g of hydrogen reacts completely.
Predict the effect of decreasing the container volume on the amounts of each reactant and product in the following reactions. (NOTE: Only ONE submission is allowed for this question.)
A wastewater treatment plant discharges treated sewage into a river, the effluent contains a daily average of 15mg/L of NH4+. The rate constant of NH4+ bio-consumption is 0.03 1/d
how many atoms are on the surface of the particle? What fraction of the gold atoms in the particle are on the surface?
How would the results for atomic weight have differed if the hot water was never brought to a boil?
Show the mechanism forming p-toluic acid (p-methylbenzoic acid) from benzene. Show the mechanism converting 1-phenylethanol to benzyl alcohol
What mass Ag will be deposited at the cathode during electrolysis if a current of 30mA passes through an aqueous solution containing Ag
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