AM LOOKING FOR A HEMISTRY TUTOR. CAN ANYONE HELP? GRADE 11 IGCSE
PLZZZ HELP MY EXAM IS IN 3 MONTHS

Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

Scientists have developed an explanation of a phenomenon from several verified hypotheses. the explanation has been confirmed through numerous experimental tests.which option best describes this explanation? a. scientific lawb. research questionc. hypothesisd. scientific theory