Answers edited by sorocraft
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If you start with 5.5 grams of sodium fluoride, how many grams of magnesium fluoride will be produced in the reaction #Mg + 2NaF -> MgF_2 + 2Na#?
How many molecules are there in 9.45 grams of #H_2SO_4#?
By what process do single-celled organisms divide?