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Question 10
He fills a
hen, he
I tight
pper
string, the
n and the
tup is
Kevin uses a model to compare the mass of the
contents in the flask before and after the reaction
occurs. Used the dropdown to select the
mathematical phrase that BEST completes the
statement describing the model.
The mass of the contents in the flask before the
reaction occurs is
the mass of the contents in the flask after the reaction
Occurs.
ieces of solid
opper hydroxide