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SonamDendup123

1mole of propane weighs

12g×3+1g×8

36g+8g

44g

6.023×10²³----------------44g

5.83×10¹⁷-------------------x

5.83×10¹⁷×44g=x×6.023×10²³

(256.52×10¹⁷g)÷6.023×10²³=x

x=42.59×10¹⁷‐²³

x=4.26×10-⁶×10

x=4.26×10-⁵

answer

4. 4.27×10-⁵

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