Question

What is the mass no. of CO2​

Answer 1

Answer:

42

Step-by-step explanation:

c-12

o-16

therefore mass of co2=12+2×16

=12+32

=42

Answer 2

Step-by-step explanation:

since there is 1 carbon and 2 oxygen you calculate it as follows:

1(12)+2(16)=44

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