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What is the molarity of the acid of a mixture of 20.00 ml HCl (aq) + 14.25 ml of 0.2030 M NaOH?
How many MOLES of phosphorus triiodide are present in 7.73E+22 molecules of this compound
Specific heat of ice: 2.09g*c Specific heat of liquid water: 4.18j/g*c Enthalpy of fusion: 334j/g Enthalpy of vaporization: 2250j/g
How many mL of a .244 M HCL solution will react with .0235 mole of MgO? The reaction of MgO and HCl is given below.
a 2.70 g sample of solid ch33nhcl s is dissolved in 446 ml of water in a coffee cup calorimeter. once all of the
What is the pH of this buffer solution? (Neglect the volume change that occurs with addition of solid sodium nitrite) b.) Calculate the pH when 2.00 mL of 0.0275 M NaOH are added to 50.0 mL of buffer solution.
you need to make an aqueous solution of 0.180 m sodium sulfate for an experiment in lab using a 250 ml volumetric
Determine the number of protons and neutrons in a carbon-14 isotope and write its symbol in the form A/Z X
You have samples of approximately 8mL solution with ph ranging from 4 to 10. Calculate the volume of 1M HCIO4 needed to lower the ph to 2.5.
you wish to prepare a buffer solution containing nan3 and hn3 hydrazoic acid. you have to prepare the solutions first.
the freezing point of t-butanol is 25.50degc and kf is 9.1degc middot kgmol. usually t-butanol absorbs water on
According to the following reaction, how many grams of carbon tetrachloride are required for the complete reaction of 21.1 grams of methane (CH4)?
A sample of gas with a mass of 1.80 g occupies a volume of 921 mL at a pressure of 733 torr and a temperature of 24 C. What is the molar mass of the gas?
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