solution, mL dissolved rock
1.             10
2.              10
3.             10
4.             10
5.              10
                mL 0.100M sodium metasilicate added
0
1.00
2.00
4.00
20.00
total volume
50
50
50
50
50
Si Signal (mA)
0.235
0.500
0.768
1.250
5.202
A 10.000g sample of rock containing quartz as the sole source ofsilicon is dissolved and diluted to 1.000 +/- 0.010 liters andanalyzed by the method of standard additions. What is the wt% ofquartz in the rock?
