• 2022-07-24
    已知在50℃时水的饱和蒸汽压为7.94kPa,180g水中若溶解3.42g蔗糖(M蔗糖=342g/mol),则该溶液的蒸汽压会降低()
    A: 7.94Pa
    B: 6.94Pa
    C: 5.31Pa
    D: 4.25Pa