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2H20(l) = 2H2 (g) +O2 (g)

For the above, if 1.50 mg of water is decomposed, what mass of hydrogen is procduced? (1 mg=10^6g=1 metric ton)?

I came up with 0.1678475161 and rounded it to .17 mg H2. Am I on the right track and did I include the correct amount sig figs?


    Someone posted this same question yesterday and I let it go BECAUSE of the discrepancy in mg. 1.50 mg in the problem means milligrams to me since mg stands for milligrams. But then 1 mg = ..... in the problem is confusing. We can't help with these questions if you use some special abbreviations.

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