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timurjin [86]
3 years ago
7

HELP ME pls it’s in the picture below

Chemistry
2 answers:
sattari [20]3 years ago
7 0

Answer:

the IUPAC name is chromium(III) phosphate pentahydrate.

Ludmilka [50]3 years ago
6 0

Answer:

Hydrated chromium(III) phosphate or chromium(III) phosphate tetrahydrate.

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The density of a certain type of plastic is 0.81 g/cm3. If a sheet of this plastic is 10.0 m long, 1.0 m wide, and 1 cm thick, w
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<u>Answer:</u> The mass of plastic sheet is 8.1\times 10^4g

<u>Explanation:</u>

The plastic sheet is in the form of cuboid. To calculate the volume of cuboid, we use the equation:

V=lbh

where,

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\text{Density of substance}=\frac{\text{Mass of substance}}{\text{Volume of substance}}

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Density of plastic sheet = 0.81g/cm^3

Volume of plastic sheet = 10^5cm^3

Putting values in equation 1, we get:

0.81g/cm^3=\frac{\text{Mass of plastic sheet}}{10^5cm^3}\\\\\text{Mass of plastic sheet}=8.1\times 10^4g

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