醋酸(ch3cooh)是一种弱酸,常见于家用醋中,而碳酸氢钠(nahco3)又称小苏打,是一种碱性化合物。
将这两种物质混合在一起时,醋酸会向碳酸氢钠捐献一个质子(h+)。这种质子转移反应会形成碳酸(h2co3),碳酸不稳定,会迅速分解成二氧化碳(co2)和水(h2o)。该方程式可分解为几个步骤:
步骤 1:ch3cooh + nahco3 → ch3coo-na+ + h2co3
步骤 2:h2co3 → co2 + h2o
总的来说: ch3cooh + nahco3 → co2 + h2o + nach3coo
因此,总的来说,醋酸和碳酸氢钠混合后会产生二氧化碳气体,从而导致该反应中常见的起泡或气泡效果。其他产物是水和。
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