Question

30. Calculate the molarity of solution obtained by dissolving 0.100 g of Na, Co, in 250 cm^3 of solution​

Answer 1

Answer:

M=0.0038M

Explanation:

molarity=moles of solute / volume of solution in litre

moles of Na2CO3 = 0.1/106

so molarity = 0.1×1000/106×250

M = 0.0038M