Number of moles of water in 488 gm of BaCl 2 .2 H 2 O are(At. mass of Ba =137 )

Question

Number of moles of water in 488 gm of BaCl 2 .2 H 2 O are(At. mass of Ba =137 ) (A) 2 moles (B) 4 moles (C) 3 moles (D) 5 moles

Tardigrade Admin · Accepted Answer

224 g contain 36 g of water 488 g contain 2 × 36 g of water 18 g of water =1 mole 72 g of water =4 mole

Q. Number of moles of water in $488 g m$ of $B a C l_{2} .2 H_{2} O$ are(At. mass of $B a = 137$ )