What mass of sodium hydroxide is needed to make 12.5 L of a 0.150M solution? a) 1.88g b) 40.0g c) 75.0g d) 83.0g

Question

What mass of sodium hydroxide is needed to make 12.5 L of a 0.150M solution?
a) 1.88g
b) 40.0g
c) 75.0g
d) 83.0g

in progress 0
Sapo 3 months 2021-07-19T22:34:31+00:00 1 Answers 0 views 0

Answers ( )

    0
    2021-07-19T22:36:18+00:00

    Answer:

    75g

    Explanation:

    n=Cmxv

    =0,15×12,5

    =1,875 mol

    m=nxM

    =1,875×40

    =75g

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )