According to the law of definite proportions,
a) the mass ratio of the elements in a pure compound is always the same.
b) if two same elements react to form two different compounds, their mass ratio stays the
same for both compounds.
c) samples that have the same mass ratio are always the same substance
d) the mass of the products is definitely the same as the mass of the reactants
e) when two elements react they always form one definite compound

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Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

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