Ca(NO3)2 (g)

Element

Equation

R2

Rate of change

150

Ca

y = 0.2609x + 48.149

0.8939

0.2609

100

y = 0.2697x + 21.243

0.9630

0.2697

60

y = 0.0843x + 11.797

0.8891

0.0843

0

y = 0.0466x + 1.8131

0.4801

0.0466

0

K

y = −0.0728x + 22.384

0.9520

−0.0728

60

y = −0.0915x + 14.796

0.9406

−0.0915

100

y = −0.0496x + 8.9990

0.9767

−0.0496

150

y = −0.018x + 7.64710

0.0921

−0.018

0

Na

y = −0.0066x + 2.2229

0.8654

−0.0066

60

y = −0.0082x + 1.8874

0.9888

−0.0052

100

y = −0.0052x + 1.2647

0.8426

−0.0052

150

y = −0.0035x + 0.8015

0.4956

−0.0035

150

N

y = 0.0533x + 10.245

0.8098

0.0533

100

y = 0.0307x + 7.309

0.9631

0.0307

60

y = 0.013x + 6.3027

0.8838

0.0130

0

y = 0.0045x + 4.9937

0.5560

0.0045

150

EC

y = 0.0031x + 0.8644

0.7032

0.0031

100

y = 0.0021x + 0.65

0.9725

0.0021

60

y = 0.0006x + 0.6045

0.9549

0.0006

0

y = 0.0032x + 0.356

0.9254

0.0032