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alexusnicole817
21.08.2019 •
Chemistry
The result of (6.2 × 104) x (3.3 × 102) expressed in scientific notation?
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Ответ:
Ответ:
260 grams sodium chlorate
Explanation:
moles to grams multiply by formula weight.
grams to moles divide by formula weight.
sodium chlorate => NaClO₃
=> formula wt = Na + Cl + 3O = [1(23) + 1(35) + 3(16)]g/mole = 106g/mole
∴ grams NaClO₃ = 2.45 mole x 106 g/mole = 259.7 grams ≈ 260 grams