Please help fast :/ how many moles are present in 60 grams of hydrochloric acid , HCI ?

a : 1.40 moles
b : 36.45 moles
c : 1.65 moles
d : 60 moles

How many moles are contained in 5.6 l of h2 at stp

What occurs when a cell engulfs large food particals

Which of the following is a physical change? a.burning a piece of wood b.sawing a piece of wood in half c.rust forming on an iron fence d.a copper roof changing color from orange to green