Register
7. Calculate the percent composition of ZnSO4.
172k views
10 votes
7. Calculate the percent composition of ZnSO4.

User Eric Bulloch
by
4.2k points

1 Answer

2 votes

% composition = Ar/Mr x 100%

MM (molar mass) ZnSO₄ = 161 g/mol

AM (atomic mass) Zn = 65.38 g/mol

% Zn = 65.38/161 x 100% = 40.6%

AM (atomic mass) S = 32 g/mol

% Zn = 32/161 x 100% = 19.9%

AM (atomic mass) O = 16 g/mol

% Zn = 4.16/161 x 100% = 39.6%

User Mattorb
by
4.1k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

4.6m questions

6.0m answers

Other Questions

What does measurement mean
A solution is made by dissolving 2.3 moles of sodium chloride (NaCl) in 0.155 kilograms of water. If the molal boiling point constant for water (Kb) is 0.51 °C/m, what would be the boiling point of this
A gas at 89 degrees C occupies 125.7mL at 123.3kPa. What volume does it occupy at 25 degrees C and 100.9kPa?
Which term describes the movement if water molecules in and out of a cell
To make a table of the elements, dimitri Mendeleev sorted the elements according to their?
Link Copied!