Answer:
0.004g
Step-by-step explanation:
Given parameters:
Volume of sodium carbonate = 10cm³; this is also 0.01dm³
Density of solution = 0.4g/dm³
Unknown:
Mass of the solution = ?
Solution:
To solve this problem, we must understand that ;
Mass = density x volume
So;
Mass = 0.4 x 0.01 = 0.004g