Question

Question 14

Which of the following hydrocarbons has the highest mass percentage of carbon?

• a.

  Methane, CH₄

• b.

  Ethane, C₂H₆

• c.

  Propane, C₃H₈

• d. Butane, C4H10

Question 15

Compound names and formulas are listed below. Which name is incorrect?

• a.

  Boron trifluoride, BF₃

  b.

  Sulfur tetrafluoride, SF₄

• c.

  Nitrogen disulfide, NS₂

• d.

  Phoshorus pentaoxide, P₂O₅

_{Can you also explain why c in the first one is incorrect and why a in the second one is incorrect and why the correct answers are correct?}

Answer 1

14) mars ) a mans of C x 100 total mens 12 x 100 = 75% 24x100 - 80% FITTI My = Calo - 16 30 36 x 100 = 81.82% CH8 = W soola un Culo- so 15 BF stu NS2 BOS - – – - 48 x 100 = 82.76 % Boron trifluoride [Booson with 3 sluorine] Coreet naming sulhus terrastuoside dithioyo ammonium Phosphorouy pewa oxide

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