Homework Clinic
Science Clinic => Chemistry => Topic started by: colton on Aug 27, 2018
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Calcium phosphate reacts with sulfuric acid to form calcium sulfate and phosphoric acid. What is the coefficient for sulfuric acid when the equation is balanced using the lowest, whole-numbered coefficients?
A) 1
B) 2
C) 3
D) none of these
Question 2
A solution containing 20.0 g of an unknown liquid and 110.0 g water has a freezing point of -1.32 C. Given Kf = 1.86 C/m for water, the molar mass of the unknown liquid is ________ g/mol.
A) 256
B) 69.0
C) 333
D) 619
E) 78.1
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Answer to Question 1
C
Answer to Question 2
A