Question

convert into mole. a)20g of sodium chloride. b)3g of carbon dioxide​

Answer 1

Answer:

0.3,0.06

Explanation:

moles = given mass/molecular mass

moles of Nacl =20/58

moles =0.3moles

moles of co2 =3/44

moles =0.06moles

Answer 2

Answer:

a) n=20/40

n=.5 answer

b) n=3/44

n=0.6 answer