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kvasek [131]
3 years ago
10

What is the molecular mass of Br 2?

Chemistry
2 answers:
Andrews [41]3 years ago
4 0

Answer:

159.80 g/mol

Explanation:

79.90×2=159.80g/mol

Kazeer [188]3 years ago
3 0

Answer:

159.808 g/mol

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What is the mass of oxygen in 300 grams of carbonic acid (H2CO3)
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mass of carbonic acid = 300g

molar mass of H2CO3 = 2H + C + 3 O

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= 4.8364 moles


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mass of oxygen in 300g of carbonic acid(H2CO3) = 232.15g

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