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valina [46]
2 years ago
15

If a 12 fl. Oz. Beer has a 12% abv, how many servings of alcohol is that?.

Chemistry
1 answer:
hoa [83]2 years ago
6 0

Answer:

12x0.12=1.441.44/0.6=2.4

answer: 2.4

1 serving of alcohol equals 0.6fl ounces of pure alcohol

Explanation:

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Find the molar mass of Ca(NO3)2
spayn [35]

 The  molar  mass  of  Ca(NO₃)2  is 164 g/mol


<u><em> Explanation</em></u>

Ca(NO₃)2   is  made  up of   Ca  , N  and  O  elements

Therefore the  molar mass  of Ca(NO₃)2   =  molar  mass  of Ca +  molar  mass  of N +molar mass of O


from periodic table the molar mass of  Ca is 40 g/mol

for  N  =  14 g/ mol

 for  O = 16 g/mol. since they are  3 atoms  of O in  Ca(NO₃)2  the  molar mass = 16  x3 = 48  g/mol


The molar  mass   of Ca(NO₃)2 = 40 g/mo  + [(14  g/mol + 48 g/mol) 2] =164g/mol


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3 years ago
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Answer:

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Explanation:

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M=\frac{RTs}{D(1-Vp)}

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The sedimentation rate is equal to:

s=\frac{1}{w^{2}t } ln(\frac{x_{b,t} }{x_{b,0} } )

Where

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t = time = 30 min

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The molecular weight is:

M=\frac{8.315*303*5.32x10^{-13} }{7x10^{-11}*(1-(0.755*0.998)) } =77.7kg/mol

5 0
3 years ago
What’s the best answer
In-s [12.5K]
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