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Tems11 [23]
3 years ago
8

1. Of 100 animals on a farm, 20% are horses, 15 % are pigs, 30% are cows, and 35% are

Chemistry
1 answer:
ANEK [815]3 years ago
7 0
B. a circle graph

circle graphs are the best to show percentages because they’re very easy to look at and get info from
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A solution is saturated when it contains the maximum amount of solute for the given solvent.
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What is the theoretical yield of ammonia that can be obtained from the reaction of 10.0 g of H2 and excess N2?
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\frac{10.0gH _{2} }{1}×\frac{1molH_{2} }{2.016gH _{2} }×\frac{2molNH _{3} }{3molH _{2} }×\frac{17.03gNH _{3} }{1molNH _{3} }=56.3gNH↓3
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Compare the properties of elements in groups 17 and group 18. Make sure to cover the following points:
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How many grams of NaCl do you need to prepare 200 ml of a 5M solution? The molecular weight of NaCl is 58.4 g/mol. Smol 0.2L-1mo
Butoxors [25]

Answer:

The answer to your question is: 58.4 g of NaCl

Explanation:

Data

Volume = 200 ml = 0.2 l

Concentration = 5M

MW = 58.4 g

mass NaCl = ?

Formula

             Molarity = (# of moles ) / volume

             # of moles = Molarity x volume

             # of moles = 5 x 0.2

             # of moles = 1

              58.4 g ---------------------- 1 mol

              x          ---------------------  1 mol

              x = (1 x 58.4) / 1

             x = 58.4 g of NaCl

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According to the kinetic molecular theory of gases, molecules of an ideal gas
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