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A particular brand of beef jerky contains 0.0552% sodium nitrite by mass and is sold in an 4.50 oz bag. What mass of sodium does the sodium nitrite contribute to the bag of beef jerky?
Express your answer with the appropriate units.
what is the resulting total pressure of gases in the now-joined flasks? (assume no reaction between the gases and that the gases behave ideally)
How many millimeters of 0.0700 M EDTA are required to react with 50.0 mL of 0.0140 M Cu2+?, b) With 50.0 mL of 0.0140 M Sc3+?
What volume of .250 M calcium chloride would be required to precipitate silver chloride if it is mixed with 600.0 ml of 0.650 M Silver nitrate.
Problem- Given the vapor pressure diethyl grinch is 76torr at 40degC and the normal boiling point of the compound is 200oC, a) What is the enthalpy of vaporization
The value of ΔE for a certain change is 1325 J. During the change, the system releases 873 J of heat.How much work, expressed in joules, was involved?
The student adds 6 M NH3 to CuSO4 solution until the Cu 2+ ion is essentially all converted to Cu(NH3)4 2+ ion. The voltage of the cell goes up to 0.92 V and the Cu electrode is still negative. Find the residual concentration of Cu 2+ ion in the c..
What volume would a 0.0236-mole sample of helium gas would occupy at a temperature of 24°C and a pressure of 0.750 atm?
Given the NMR spectrum of isobutyl acetate, match the different types of protons with the correct chemical shifts.
How many grams of magnesium fluoride (MgF2) must be added to 67.3 g of water to prepare a 4.81% (m/m) solution of magnesium fluoride
one mole of methane has a mass of 16.0 grams. How many grams of methane are needed to make 1.0 L of a 0.20 molar solution?
What is the volume percent of a solution prepared by dissolving 43 g of NaOH in enough water to make a final volume of 120 mL? Show your work.
Problem- A 0.0000650 M sample of Compound X in a solvent has an absorbance of 0.225 at 528 nm in a 1.000-cm cuvet. The solvent alone has an absorbance of 0.056. What is the molar absorptivity of Compound X
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