A student mixed two clear liquids together in a beaker. A solid and a new liquid formed. The student forgot to write down the mass of one of the reactansts. The rest of the data are shown in the table below.
Table
Mass (g)
Liquid reactant A/ unknown
Liquid reactant B/ 9.0
Liquid product/8.0
Solid product/ 12.0
What is the mass of liquid reactant A?
A. 1.0 g
B. 8.0 g
C. 9.0 g
D. 11.0 g
D. 20.0 g
Is the answer A?
Thank you