Question

Giúp mik câu 3 vs Thank nhìu

Answer 1

a) 

\(C_{M_{NaOH}}=\dfrac{0.5}{0.25}=2\left(M\right)\)

b) 

\(C\%_{CuSO_4}=\dfrac{50}{200}\cdot100\%=25\%\)

c) 

\(m_{dd_{KCl}}=20+580=600\left(g\right)\)

\(C\%_{KCl}=\dfrac{20}{600}\cdot100\%=3.33\%\)

d) 

\(C_{M_{CuSO_4}}=\dfrac{1.5}{0.75}=2\left(M\right)\)