NaOH 0.01 M은 몇 mg/L인가

NaOH 0.01 M은 몇 mg/L인가

 

 

NaOH 0.01M은 몇 mg/L 인가?

① 40

② 400

③ 4000

④ 40000

 

 

 

0.01 M NaOH 용액 = 0.01 mol NaOH / 1 L 용액

( 참고 https://ywpop.tistory.com/3222 )

 

 

 

NaOH의 몰질량 = 40 g/mol 이므로,

0.01 mol × (40 g/mol) = 0.4 g NaOH

= 400 mg NaOH

 

 

 

0.01 mol NaOH / 1 L 용액

= 400 mg NaOH / 1 L 용액

= 400 mg/L NaOH 용액

 

 

 

답: ② 400

 

 

 

 

[참고] NaOH 0.01 M은 몇 ppm인가?

1 mg/L = 1 ppm 이므로,

( 참고 https://ywpop.tistory.com/5345 )

 

0.01 M NaOH

= 400 mg/L NaOH

= 400 ppm NaOH

 

답: 400 ppm