Its<span> a nuclear process used for determining the concentrations of elements in a cast amount of materials.</span>
Answer:
d. 0.208 M NaOH
Explanation:
M[NaOH] = 23+16+1= 40g/mol
2.40L = 2.4dm3
M=m/Mv
M=20.0g/40g/mol×2.4dm3
M=20.0g ÷ 96
M= 0.208 M NaOH
This answer is 24 because 2.17 x 10 -8 is 24 so that would be your answer
Mass = number of mol x molar mass
Mass = 0.28mol x 55.8g/mol
Mass = 15.624g