Question

PLS HELP! WILL GIVE 30 POINTS!!!

I have 0,0004 gramms of CO2, how many grams of C are there?

Answer 1

0.00011 [gr].

Step-by-step explanation:

1. one mol of CO2 weights 12+32=44 [gr];

2. part of C in CO2 is 12/44=3/11, then

3. the required mass of C in 0.0004 [gr] is 0.0004*3/11≈0.0001(09) [gr].