A solution containing 42% NaOH by mass has a density of 1.30 g/mL. What mass, in kilograms, of NaOH is in 6.00 L of this solution?
Can we go over this tomorrow ?
8 Matching Annotations
- Sep 2017
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chem.libretexts.org chem.libretexts.org
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2.38 kg
I got 3.28 kg. Is this a typo or did I do my math wrong? I'm not sure how to show my work on hypothesis..
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chem.libretexts.org chem.libretexts.org
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multiply the coefficients by 2
Why do we multiply the coefficients by 2 instead of putting the 2 out front? For example: C8H14O2 Vs. 2(C4H7O)
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C4H7O
Our answer will always be a compound if we do an empirical formula correct?
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chem.libretexts.org chem.libretexts.org
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half-reactions
I honestly am not understanding the concept behind half reactions, is this just a term to break down the equation for redox reaction?
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chem.libretexts.org chem.libretexts.org
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2Na(s)+2HCl(aq)→2NaCl(aq)+H2(g
Would chemical equations always contain information about the state properties when we get asked to solve a question? or would we just have to know it automatically?
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Problems
Is there an answer key to this set of problems?
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chem.libretexts.org chem.libretexts.org
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6.022,141,29 x1023
Are the units of Avagadro's number atoms of carbon-12 or just atoms?
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