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ehidna [41]
3 years ago
7

1. How many grams of NaOH are in 400.0 mL of a 0.5 M solution of NaOH?

Chemistry
1 answer:
Anit [1.1K]3 years ago
3 0
1. molarity = (moles)/vol in litres
0.5=[(weight/40)*1000]/4
0.5 = weight/16
weight of NaOH = 8 grams

2. weight = 0.45*850*84/100 gms
molecular weight = 85m (not sure abt this)
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Answer:

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Let the molecular mass of an organic solid be C_xH_yO_z

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Now put all the given values in this formula, we get

1.5^oC=8.00 ^oC/m\times \frac{0.561 g}{\text{Molar mass of solid}\times 0.0249 kg}

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\%=\frac{\text{Number of atoms}\times \text{mass of an atom}}{\text{molas mass of compound}}\times 100

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