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makvit [3.9K]
4 years ago
7

Barium has a density of 3.59 g/cm

Chemistry
1 answer:
sergejj [24]4 years ago
3 0
What's the question???


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Glacial striations have been found in South America, South Africa, India, and Australia. What do these marks tell scientist?
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These mars can tell the scientist that there are still a lot of things that they can not discover. The glaciation can also tell us about the alignment of the earth and not just it can tell us about the climate. That is why it is really important for the scientist to study keenly in this kind of matters.
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What happened during the fusion reaction shown?
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Balance the following chemical equation Na + Cl2 -> NaCl and explain how the balanced equation models the law of conservation
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2 Na + 1 Cl2 -> 2 NaCl

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3 years ago
Consider the titration of 10.00 mL of a monoprotic weak acid with 0.1234 M NaOH. If the equivalence point volume of NaOH was det
gogolik [260]

The initial concentration of the unknown acid is 0.1900 M.

Explanation:

Titration is a chemical method of analysis to know the concentration and volume of the unknown chemical or analyte.

The formula for the titration is:

Macid x Vacid = Mbase x V base

The volume must be in litres. The volume is given in ml it should be divided with 1000 to obtain values in litre.

Data given are:

volume of acid= 10 ml 0.01 L

Molarity of the acid = ?

volume of the NaOH or base = 15.4 ml or 0.0154 L (equivalence point of the base)

molarity of the base = 0.1234 M

Applying the formula and putting the values, we get

Macid x 0.01 = 0.1234 x 0.0154

Macid =  0.1900 M

The weak acid is having molarity of 0.1900 M against the strong base with molarity of 0.1234M.

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