Chemistry, 02.10.2020 16:01 tornadowolfcosplay
O padrão primário hidrogenoftalato de potássio (ou biftalato de potássio ou ftalato ácido de potássio,
KHC 8 H 4 O 4 ) foi utilizado para padronizar uma solução de hidróxido de sódio. Para massas do padrão
iguais a 0,3425 g, 03505 g e 0,3287 g foram gastos respectivamente 25,55 mL, 26,70 mL e 24,35 mL da
solução alcalina. Determine a concentração da solução padronizada com os algarismos significativos.
Answers: 3
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What is the temperature of one mole of helium gas at stp?
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Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)
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Which statement characterizes synthetic polymers? a. they come from animals and plants. b. they are found in nature. c. they are made in a lab. d. they are components of starch.
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Determine type of reaction & predict the product c3h12+o2 =
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O padrão primário hidrogenoftalato de potássio (ou biftalato de potássio ou ftalato ácido de potássi...
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