Mass of shells (g)

m_c

Total mass before reaction (g)

m_b = m_c + m_a

Total mass after reaction (g):

m_f

Reduction of mass after reaction (g)

∆m = m_b − m_a

0

40

40

0

1

41

40.51

0.49

2

42

41.13

0.87

3

43

41.49

1.51

4

44

42.08

1.92

5

45

42.61

2.39

6

46

43.02

2.98

7

47

43.66

3.34

8

48

44.61

3.39

9

49

44.63

4.37

10

50

45.12

4.88

Mass of hydrochloric acid m_a = 40 g