Percent Composition and Molecular Formula Answers

Sodium chloride (NaCl)Na:Cl = 1: ⇒ 1

Ammonium nitrate (NHNO)H:O = 4: ⇒ 3

Calcium bicarbonate (Ca(HCO))Ca:H:C:O = 1:2:2 ⇒ 6

Lithium sulfide (LiS)Li:S = 2: ⇒ 1

Select the simplest mole ratio for each substance.Glucose (C6H12O6):

Molecular formula: C6H12O6Empirical formula:

C2H6

A mover packs books, CDs, and DVDs into a moving box. If the box contains 6.5 kg of books, 1.5 kg of CDs, and 2.0 kg of DVDs, what is the percent by mass of each object in the box?Books: % of the mass

What is the percent by mass of carbon in glucose? %

g/mol

A compound contains 75% carbon and 25% hydrogen by mass. What is the empirical formula for this compound?

The empirical formula of an artificial sweetener is C14H18N2O5. The molecular mass of the sweetener is 294.34 g/mol. What is the molecular formula of the artificial sweetener?

A sample of a compound contains 9.11 g Ni and 5.89 g F. What is the empirical formula of this compound?

Question text not available

Sulfuric acid (H2SO4):

Molecular formula: H2SO4Empirical formula:

C2H6

CDs: % of the mass

What is the percent by mass of hydrogen in glucose? %

g/mol