leo-roberts_6095d399d9112
leo-roberts_6095d399d9112
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1h = 3600s 30 000 L de água ----------------- 1s X L de água ------------------------- 3600s X = 108 000 000 L de água 1,5mg de fluoretos --------------------- 1,0 L de água X mg de fluoretos ----------------------- 108 000 000 L de Å