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QS1: What is the pH of 5.60×10-4 mol L-1 HNO3(aq) at 25 °C?
Give your answer accurate to 2 decimal places.
pH =
QS2: What is the pH of 4.18×10-4 mol L-1 Ca(OH)2(aq) at 25 °C?
Calculate the minimum pH needed to precipitate Mn(OH)2 so completely that the concentration of Mn is less than 1 microgram per liter
If the total volume of the gas collected is 245 mL and the total pressure is 758 mm Hg at 25 C, what is the mass of the oxygen gas generated?
Problem- Which of the combinations below will produce some precipitate (even if only a very small amount)? The concentrations shown are after mixing, but before reaction.
1. the normal boiling point of acetone is 56.5degc. at an elevation of 5300 ft the atmospheric pressure is 630. torr.a.
How much heat in kJ is absorbed when 63.7 g H2O at 100C is converted to steam at 100C?
It takes 485 J of energy to raise the temperature of 104.1 g mercury from 20.0°C to 53.5°C. Calculate the specific heat capacity and the molar mass capacity of mercury.
What are the possible values of n and ml (the principal and angular momentum quantum numbers) for an electron in a 5d orbital
What are the main effects of petroleum toxicity, what is gasoline, what are the components of gasoline, define word dispersant & list the chemical composition of the chemical dispersant "corexit"
acalculate the time it would take to form 515.0 g of pbo2 if you recharge anbsplead-acid storage battery with a
Calculate the mass flow rate of liquid water being sprayed into the wet scrubber. Calculate the ppm of SO2in the cleaned exhaust gas.
How long will it take for the pressure of the helium to equal the pressure of the argon in the container? When the pressure are equal what will the total pressure in the container be
Part A: What is the charge in coulombs? Part B: How many electrons flow?
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