Calculate the mass of sodium acetate trihydrate required to make 100. ml of a 0.100 m solution. 0.820 g 1.00 g 1.36 g 1.95 g
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Ответ:
1.36 g.
Explanation:
First we calculate the molar mass of sodium acetate trihydtrate:
CH3COONa.3H2O
= 12 + 3 + 12 + 2*16 + 23 + 6 + 3*16
= 136 g.
So 1 L of 1 M solution contains 136 g
0.100 M solution will contain 13.6 g
100 mL of 0.100 M solution contains 1.36 g.
Ответ:
D
Explanation: