ilovepdf_merged final notebook

Find Molecular Mass 1- 10
1. NaBr
Na 1*23
Br 1*80
23+80=130
103 g/mol
2. PbSO4
3. Zn(C2H3O2)2
Pb 1*207
S 1*32
O 4*16
Zn 1*65
C 4*12
207+32+64=303
303 g/mol
H 6*1
O 4*16
65+48+6+64=183
183 g/mol
4. Na3PO4
5. (NH4)2CO3
Na 3*23
P 1*31
O 4*16
N 2*14
H 8*1
C 1*12
O 3*16
69+31+64=164
164 g/mol
24+8+12+48=96
96 g/mol
6. Glucose C 6*12
H 12*1
O 6*16
7. Iron(II) Phosphate
Fe (PO)
3 4 2
8. Ammonium Sulfide
(NH ) S
4 2
9. Calcium Hydroxide
10. Silver(I) Fluoride
Fe 3*56
P 2* 31
O 8*16
11. How many moles is 51g of NaBr?
12. How many moles is 60g of PbSO4?
72+12+96=180
180 g/mol
N 2*14 S 1*32
H 8*1
Ca 1*40 H 2*1
Ca(OH)
O 2*16
2
AgF
Ag 1*108
F 1*19
168+62+128=358
358 g/mol
28+8+32=68
68 g/mol
40+32+2=74
74 g/mol
108+19=127
127 g/mol
___________________________
51 g NaBr 1 mol NaBr
103 NaBr
51 ______
103
____________________________
60 g PbSO 4 1 mol PbSO4
____ 60
303 g PbSO 4 303
.50 mol
.20 mol
13. How many moles is 150g of Zn(C2H3O2)2?
14. How many moles is 578g of Na3PO4?
15. How many moles is 500g of (NH4)2CO3?
__________________________________
150 g Zn(C H O ) 1 mol Zn(C H O )
2 3 2 2 2 3 2 2
183 g Zn(C 2 H 3 O 2 ) 2
_________________________________
578 g Na 3 PO 4 1 mol Na 3 PO 4 _____ 578
164 g Na 3 PO 4 164
______________________________________
500 g (NH 4 ) 2 CO 3 1 mol (NH 4 ) 2 CO 3
96 g (NH 4 ) 2 CO 3
_____ 150
183
3.5 mol
500 _____
96 5.2 mol
.82 mol
1. 103 g/mol 6. 180 g/mol 11. .50 mol
2. 303 g/mol 7. 358 g/mol 12. .20 mol
3. 74 g/mol 8. 68 g/mol 13. 2.0 mol
4. 164 g/mol 9. 183 g/mol 14. 3.5 mol
5. 96 g/mol 10. 127 g/mol 15. 5.2 mol
95