How many moles of sodium ions are contained in 99.6 mg of Na2SO3? The molar mass of Na2SO3 is 126.05g/mol.

How many atoms are in 12 grams of NaOH

Devibel is a measurement of the amout of pollution. True or false

Why is portion control important

Chemical reactions occur in predictable ways

What is considered to be included in the study of Chemistry?

Which radiation detection device is the best to use for measuring the presence of radiation in large moving objects where constant monitoring is impossible? film badge Geiger counter cloud chamber scintillation counter

Smoke fiilling up a room is diffusion or not

What is the independent and dependent variable for a dry ice experiment

a substance that undergoes a physical change like melting is still the same substance is it true or false

What is a polar molecule