The mass of 2 gram atoms of calcium is:

40 g

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20 g

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80 g

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2 g

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Solution

The correct option is C 80 g
The atomic mass of $C a = 40$ u
So, the gram atomic mass of $C a = 40$ g
Therefore, the mass of 2 gram atoms of calcium = $40 \times 2 = 80$ g

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