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Mass of Vial (g) = 5 Mass of Vial and unknown sample (g) = 5.1 Initial volume of

ID: 796312 • Letter: M

Question

Mass of Vial (g) = 5

Mass of Vial and unknown sample (g) = 5.1

Initial volume of gas (mL) = 2.5

Final volume of gas (mL) = 43.1

Barometric pressure (mmHg) = 760.3

Room temperature (C) = 24.5


Find:

Mass of unknown sample = ?

Volume of N2 gas collected (mL) = ?

Vaport pressure of water at room temperature =?

Pressure of dry N2 has (mmHg) = ?

Moles of N2 collected (mol) = ?

Moles of NaNO2 reacted (mol) = ?

Mass of NaNO2 reacted (g) = ?

Percent NaNo2 by mass in unknown sample (%) = ?

Mass of NaCl in unknown sample (g) =?

Percent NaCl by mass of unknown sample (%) = ?



Explanation / Answer

Boyle