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Formaldehyde concentration checking in furniture

Formaldehyde should not be detectable, let alone recognizable, at ~4 ppb [1]. It is strong, but not that strong. I also wouldn't really describe the smell of formaldehyde as "woody." The &...
anon's user avatar
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-1 votes

Applying Conversion Factors

First you must calculate the density of the 4.35 g of mercury. $Density = \frac{Mass}{Volume}$ $Density= \frac{4.53 g}{0.300 mL} =15.1 g/mL Hg$ So, 1 mL of mercury weighs 15.1 g. This can be written ...
-1 votes

Applying Conversion Factors

Here the conversion factor would be 0.300 ml per 4.53 g of mercury (0.300mL/4.53g). The unknown is a volume of mercury, and your initial value would be the given 120.0 g of mercury, giving the ...
rawkhan's user avatar
2 votes

What is the chemistry underlying chlorine recommendations in spa water care guides for UV/Ozone pools?

You do not really need to understand the chlorination chemistry for proper dosing. What you need to know is: recommended concentrations of active chlorine (the link or search) in $c_0\ \pu{[mg/L]}$. ...
Poutnik's user avatar
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2 votes

Making sense of these recipes for removing anodized coatings of aluminum

Since aluminum will oxidize rapidly in air, reproducing any removed $\ce{Al2O3}$ layer, consider plating the aluminum parts with a material easier to bake out. Electroplate nickel onto the aluminum ...
DrMoishe Pippik's user avatar
0 votes

Impact of ethanol vapors on surroundings

The alcohol wipes are best used on hard counters as the alcohol can break down certain materials like wood and acrylic. Alcohol wipes are safe to use however alcohol fumes can damage Brain, lungs and ...
ChemLover68's user avatar

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