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How many elements are in 2CaCO2 and C8H10N4O2

User Brannon
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1 Answer

1 vote

Answer:

2CaCO2 has 3 and C8H10N4O2 has 4.

Explanation:

If a element is Ca then you count it as one. if it is CA it is two. The capital letter represents a element so CA is two elements and Ca is one.

User Kylesha
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