The formula mass of Mohr’s salt is 392. The iron present in it is oxidised by KMnO4 in acid medium. The equivalent mass of Mohr’s salt is The formula mass of Mohr's salt is 392. The iron present in it is oxidised by KMnO4 in acid medium. The equivalent mass of Mohr's salt is December 7, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related