Question

how many moles are present in 30g of MgS

Answer 1

Answer:

Molar weight of mg = 24 g

Molar weight of S = 32 g

Molar weight of MgS = 24 + 32 = 56g

No. of Moles = Given Weight /Molar Weight

= 30/56 ≈ 0.54 moles

Answer = 0.54 moles

Hope it helped

Explanation:

Answer 2

approximately 0.54

Explanation:

moles = given weight÷molecular weight

= 30÷56.38

=0.54 moles