Question

How many moles are in 4.60g of of h2o

Answer 1

0.256 mol

Step-by-step explanation:

mass in grams = molar mass * moles

moles = mass in grams / mm

the molar mass of H2O is 16+2=18 g/mol

thus no. of moles = 4.60g / (18g/mol) = 0.256 mol