Lesson 3-Part 2- mass to moles

Silver nirate AgNO3 is used as an antiinfective agent to cauterize infected tissues around a skin wound. Silver nitrate can also help create a scab to help stop bleeding from a minor skin wound. Determine the number of moles present in 22.6 g AgNO3 . ( Ag=107.86 N= 14.01 O= 16 )

Zinc sulfate ( ZnSO4 ) is a drug used to replenish low levels of zinc or prevent zinc deficiency, Zinc sulfate is the inorganic compound with the formula ZnSO4 and historically known as "white vitriol Determine the number of moles present 6.5 g of ZnSO4. ( Zn =65.38 S= 32.06 O= 16 )

Hydrochloric acid has many uses. It is used in the production of chlorides, fertilizers, and dyes, in electroplating, and in the photographic, textile, and rubber industries. Hydrochloric acid is corrosive to the eyes, skin, and mucous membranes. Determine the number of moles present in 35g of HCl ( H=1.01 , Cl= 35.45 )

Identify the given formula as an ionic or molecular compound and convert the given mass to moles. Express your answers in scientific notation . 25.4 mg PbCl2

Identify the given formula as an ionic or molecular compound and convert the given mass to moles. Express your answers in scientific notation 2.5 kg Fe2O3