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Find the molartity of the diluted solution. 20 ml of 0.1 M Na2S2O3 is diluted to 50 ml.
How numerous moles of Na2S2O3 are diluted to 50 ml?
What is the molarity of the diluted solution?
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Titanium reacts with hydrogen peroxide in 1.00 M sulfuric acid to form a colored complex. If a 2.00x10^-5 M solution absorbs 31.5% of the radiation at 415 nm, what would be: the absorbable, the transmittance, and the per ...
Carbonic acid (H2CO3) is a diprotic acid withKa1 = 4.2×10-7and Ka2 = 4.8×10-11. Theion product for water is Kw = 1.0 × 10-14. What is the carbonate ion concentration[CO2-3] in a 0.037 M carbonic acid solution?
Pyridine (C5H5N) is a weak base (pkb = 8.74) with an unpleasant, sweet fishy odour. In a titration, 175.0mL of pyridine solution required 13.6 mL of 0.3250M HCl to reach the equivalence point. a) Calculate the pH of the ...
A sample has a specific heat of 0.155 cal/g·°C. How much energy will be required to raise the temperature of the sample from 20.0°C to 35.0°C if the sample has a mass of 8.0 g?
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Calculate the amount of work done for the conversion of 1.00 mole of Ni to Ni(CO)4in the reaction below, at 75oC. Assume that the gases are ideal. The value of R is 8.31 J/molK.
The volume of a sample of nitrogen is 6.00 liters at 35oC and 740 torr. What volume will it occupy at STP?
Balance the molecular equation for the following redox reaction. What is the sum of the coefficients? Don't forget coefficients of one. Use the smallest whole number coefficients possible. H 2 SO 4 (aq) + HI(aq)I 2 (s) + ...
Calculate the change in internal energy(delta E) for a system that is giving off 25.0kJ of heat and is changing from 6.00L to 12.00L in volume at 1.50atm pressure. (101.3J=1 L*atm) The answer is supposed to be -25.9kJ Ca ...
How many moles of carbon dioxide are produced when 19.3 mol of propane gas is burned in excess oxygen? C3H8+5O2=3CO2+4H2O? Please show work.
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