What is the percent composition of carbon in glucose (C₆H₁₂O₆)?

(a)  

Na₂SO₃⋅x H₂O is 50% water by mass. What is x?

(a)  

What is the chemical formula of silver (II) nitrate?

Use underscores for subscripts.

(a)  

What is the name of (NH₄)₃PO₄?

(a)  

What is the name of P₄S₅?

(a)  

What is the name of H₂CO₃?

(a)  

What is the charge of sulfate?

(a)  

What is the chemical formula of sulfate (include charge)?

Use ^ for exponents, _ for subscripts

(a)  

What is the mass of sodium present in milligrams?

(a)  

What is the number of oxygen atoms present?

(a)  

(a)  

What is the difference between empirical and molecular formula? In what compounds are they always the same?

What is the charge of acetate?

(a)  

What is the chemical formula of nitrite? Include charge.

Use _ for subscripts and ^ for exponents.

(a)  

When separating the fluorine from the compound, researchers found there to be 10% ²⁰F, 30% ¹⁸F, and 60% ¹⁹F. How many fluorine neutrons were present?

(a)