Question #1be06

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Question #1be06

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Answer 1 · 2017-08-30T18:31:04

Well, we want to find the quotient......

Explanation:

$Density, ρ \equiv \frac{Mass}{Volume}$ $"Density, "rho-="Mass"/"Volume"$ ...

And for chemists, the typical units are $g \cdot m L^{- 1} \equiv g \cdot c m^{- 3}$ $g*mL^-1-=g*cm^-3$ .

And thus you take the mass of a known volume of liquid....and solve the quotient.

And some typical values, $ρ_{H_{2} O} = 1 \cdot g \cdot c m^{- 3}$ $rho_(H_2O)=1*g*cm^-3$ ; or $ρ_{H g} = 13.55 \cdot g \cdot c m^{- 3}$ $rho_(Hg)=13.55*g*cm^-3$ ; $ρ_{B r_{2}} = 3.11 \cdot g \cdot c m^{- 3}$ $rho_(Br_2)=3.11*g*cm^-3$ ; $ρ_{EtOH} = 0.789 \cdot g \cdot c m^{- 3}$ $rho_"EtOH"=0.789*g*cm^-3$ .

By the way, you won't be asked to find the density of bromine; there are few substances in the laboratory that are as dangerous or as corrosive as bromine.

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Question #1be06

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