8/9/2019 Lab 5_Molar Volume of Hydrogen Gas

1/3

Alex T. ZhaoGreg KerrIB Chemistry HLNovember 12, 212

!olar "ol#me o$ Hy%roge& Gas

Purpose:I& this ex'erime&t the vol#me o$ hy%roge& gas that is

'ro%#(e% )he& a small 'ie(e o$ mag&esi#m rea(ts )ith hy%ro(hlori(a(i% is meas#re%. The vol#me o$ hy%roge& gas )ill be meas#re% atroom tem'erat#re a&% 'ress#re, a&% the molar vol#me o$ hy%roge&%er sta&%ar% (o&%itio&s o$ tem'erat#re a&% 'ress#re )ill be(al(#late%.

Equipment:

Coil o$ (o''er )ire *abo#t 1 (m+

Hy%ro(hlori( a(i% HCL- ! *1/mL+ Gas meas#ri&g t#be or b#rette */ mL+.

0&ehole sto''er to t the gas meas#ri&g t#be

!ag&esi#m ribbo& *abo#t (m+

3ta&% a&% (lam'

Gra%#ate% (yli&%er *2/ mL+

Thermometer *1411C+

Barometer

Bea5er */m mL+

6#ler

Procedure:3ee atta(he% sheet

Data Collection:Criteria "al#eLe&gth o$ !ag&esi#m ribbo& .1 7 ./(m!ass o$ / (m !g ribbo& .8 7 ./g6oom Tem'erat#re 289 7 1K :ress#re 12. 7 ./5:a"a'or :ress#re 2.;17 ./5:a

"ol#me o$ hy%roge&< ./= 7 ./%m

:ro(essi&g o$ res#lts, a&% >#estio&s1. !ass o$ !ag&esi#m #se%#atio& o$ rea(tioestio&s ? a&% /, )e (al(#late the molar vol#me o$hy%roge& at 3T: to be 22.?%m. This is i%e&ti(al to theestablishe% val#e o$ the molar vol#me o$ a& i%eal gas at 3T:.

=. I& this ex'erime&t, )e ass#me% that hy%roge& gas is &otsol#ble i& )ater at atmos'heri( 'ress#re. This ass#mes thatall the hy%roge& 'ro%#(e% is (a't#re% i& the t#be. I$ hy%roge&gas )as sol#ble i& )ater, the& o#r (al(#late% molar vol#me o$hy%roge& gas at 3T: )ill be i&a((#rate.

IB Chemistry HL Lab / Nov 12, 212

8/9/2019 Lab 5_Molar Volume of Hydrogen Gas

3/3

;. I$ )e #se% s#l$#ri( a(i% i&stea% o$ hy%ro(hlori( a(i%, the& thee>#atio& )o#l% be#atio&, )e see that ea(h mol o$ !g still yiel%s 1

mol o$ hy%roge& gas. He&(e, there )ill &ot have bee& a&yobservable %iere&(es i& the &al res#lt.

IB Chemistry HL Lab / Nov 12, 212