rid ; .Zu-H- u;- _. . .
_ _ _. I'
_ fr; #9 w. xh-zfa i"?
._, T31 W him 125.
I lrjmul v ;.
y lr [Amp-'7
f; flip; 31111.47: cfw_jprfrjt
' - ;- i ,1:. - '.'-."|'
Lh.yt.r:m.im.a Um I H i '5
>1 fan . r; jr
[arer . 9(9 (Lmi
Name: a U Date
92 Practice Problems
1 f" g
Write the formula equation for the
following reaction: Ammonia reacts with
gdmgmghjorigle to form ammoniurrL
6. When heated, calcium sulfite (Gasoa)
: - sap?
Lumeggwwm- - ' ~
W4 n- saenre are *m: arenas: 5:43.11; 55:ng at :annet be M dire-2th. yet we are
Kit it! 1': 51:? DEIETLBDE ratzksm my. its-91 is an example of this mm obsewatm.
the arms: m a? 39. :x we .3. 53:3 rms-r: ewr-
Determining the Empirical Formula of Magnesium Oxide
The purpose of this lab was to burn magnesium, determine the change in mass which also represented
how much oxygen was in the reaction, then to determine the empirical formula of magnesium oxide
The pumose of this lab was to harm chalk. 0300,. fmm Gael: and 1132003, After the chalk
was formed. ltered and aimed, it was measured and percent yield was demmined USlng "9
actual weight of chalk produced and the calculated theorical welg