Tarea Peso molecular

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Tarea 2: 
 
Realizar los siguientes cálculos de pesos moleculares: 
 
𝐶6𝐻12𝑂6 𝑔𝑙𝑢𝑐𝑜𝑠𝑎 180 g/mol 
𝐶12𝐻22𝑂11 𝑠𝑢𝑐𝑟𝑜𝑠𝑎 𝑜 𝑎𝑧𝑢𝑐𝑎𝑟 𝑑𝑒 𝑚𝑒𝑠𝑎 342 g/mol 
𝐶𝑎(𝑁𝑂3)2 𝑛𝑖𝑡𝑟𝑎𝑡𝑜 𝑑𝑒 𝑐𝑎𝑙𝑐𝑖𝑜 164 g/mol 
𝐴𝑢2(𝑆𝑂4)3 sulfato de oro 682 g/mol 
𝐶𝑎3(𝑃𝑂4)2 𝑓𝑜𝑠𝑓𝑎𝑡𝑜 𝑑𝑒 𝑐𝑎𝑙𝑐𝑖𝑜 310 g/mol 
 
Nombre Elementos Átomos A Suma g/mol 
 
C 
H 
O 
6 
12 
6 
12 
1 
16 
72 
12 
96 
180g/mol 
𝐶12𝐻22𝑂11 𝑠𝑢𝑐𝑟𝑜𝑠𝑎 𝑜 
𝑎𝑧𝑢𝑐𝑎𝑟 𝑑𝑒 𝑚𝑒𝑠𝑎 
C 
H 
O 
12 
22 
11 
12 
1 
16 
144 
22 
176 
342g/mol 
𝐶𝑎(𝑁𝑂3)2 𝑛𝑖𝑡𝑟𝑎𝑡𝑜 𝑑𝑒 
𝑐𝑎𝑙𝑐𝑖𝑜 
Ca 
N 
O 
1 
2 
6 
40 
14 
16 
40 
28 
96 
164g/mol 
𝐴𝑢2(𝑆𝑂4)3 sulfato de 
oro 
Au 
S 
O 
2 
3 
12 
197 
32 
16 
394 
96 
192 
682g/mol 
𝐶𝑎3(𝑃𝑂4)2 𝑓𝑜𝑠𝑓𝑎𝑡𝑜 
𝑑𝑒 𝑐𝑎𝑙𝑐𝑖𝑜 
Ca 
P 
O 
3 
2 
8 
40 
31 
16 
120 
62 
128 
310g/mol 
 
5.- Llenar la siguiente tabla: 
 
Sustancia gramos n= m/PM n*6.022*1023 
H2 10 =10/2=5 =5(6.022x1023)=3.011x1024 
KCl 25 =25/74=0.337 =0.337(6.022x1023)=2.029414x1023 
I+ 42 =42/1=42 =42(6.022x1023)=2.52924x1025 
Na+ 30 =30/1=30 =30(6.022x1023)=1.8066x1025 
Cl- 220 =220/-1=-220 =-220(6.022x1023)=-1.32484x1026 
F 52 =52/1=52 =52(6.022x1023)=3.13144x1025 
Cu 35 =35/1=35 35(6.022x1023)=2.1077x1025 
O2 15 =15/2=7.5 7.5(6.022x1023)=4.5165x1024 
N2 15 =15/2=7.5 7.5(6.022x1023)=4.5165x1024 
H2O 25 =25/18=1.388 1.388(6.022x1023)=8.358536x1023 
NH3 25 =25/17=1.47 1.47(6.022x1023)=8.85234x1023 
 
KCl 
K 1 39 
Cl 1 35 
 74g/mol 
 
H2O 
H 2 1 2 
O 1 16 16 
 18g/mol 
 
NH3 
N 1 14 14 
H 3 1 3 
 17g/mol