Answer:
The answer is "22.5"
Explanation:
Concentration:
[tex]M_1= 0.3 \ m \ of\ KNO_3\\\\M_2=2.00\ M\\\\[/tex]
Volume:
[tex]V_1=150 \ ml \ of\ KNO_3 \\\\V_2=?[/tex]
Using formula:
[tex]M_1V_2=M_2V_2\\\\V_2=\frac{M_1V_1}{M_2}\\\\[/tex]
[tex]=\frac{0.3 \times 150}{2}\\\\=\frac{45}{2}\\\\=22.5[/tex]
