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ddd [48]
3 years ago
6

Name five solvents other than water​

Chemistry
1 answer:
vovikov84 [41]3 years ago
5 0

Answer:

Ethanol

Methanol

Acetone

Tetrachloroethylene

and Hexanes

Explanation:

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Acid-base indicator changes color based on pH.

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Mercury chloride is a commercial fungicide. If the molar mass is 470 g/mol and the percent composition is 85.0% Hg and 15.0% Cl,
ElenaW [278]
Data: molar mass 470 g/mol

Percent composition:

Hg = 85.0%
Cl = 15.0%

Solution:

1)  Convert % to molar ratios

A. Base: 100 g

=> Hg = 85.0 g / 200.59 g/mol = 0.4235 mol

     Cl = 15.0 g / 35.45 g/mol = 0.4231 mol

B. divide by the higher number and round to whole number

Hg = 0.4325 / 0.4231 = 1.00

Cl = 0.4231 / 0.4231 = 1.00

=> Empirical formula = Hg Cl

2) Find the mass of the empirical formula:

HgCl: 200.59 g/mol + 35.45 g/mol = 236.04

3) Determine how many times is the empirical mass contained in the molecular mass:

470 g/mol / 236.04 = 1.99 ≈ 2

=> Molecular formula = Hg2 Cl2.

Answers:

Empirical formula HgCl
Molecular Formula Hg2Cl2
6 0
3 years ago
Why do neutral atoms form ions?
Marina86 [1]
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How many atm are 12920 torr
Zinaida [17]

Answer:

17 atm

Explanation:

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What is (1.2 x 10^6 m) x ( 1.5 x 10^-7m) in scientific notation
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Answer:

4.875 × 105

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(engineering notation)

(thousand; prefix kilo- (k))

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This all the ways

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