What weight of sodium hydroxide is required to make 500 cm3 of 0.2 M solution?
(Na = 23, O = 16, H = 1)
(Na = 23, O = 16, H = 1)
-
A.
40 g -
B.
20 g -
C.
10 g -
D.
4 g -
E.
2 g
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