Which of the following is a balanced chemical equation? MgF 2 + Li 2CO 3 ⟶ MgCO 3 + LiF 2Al + 6HCl ⟶ 3H 2 + AlCl 3 P 4 + 3O 2 ⟶ 2P 2O 3 CH 4 + 2O 2 ⟶ CO 2 + H
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Ответ:
2 molL ^ -1
Explanation:
Masa de soluto = 8 g
volumen de solución = 100 mililitros o 0,1 L
Número de moles de solución = masa / masa molar = 8g / 40g / mol = 0,2 moles
concentración = número de moles / volumen
concentración = 0.2 / 0.1
= 2 molL ^ -1