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lorasvet [3.4K]
3 years ago
5

Please answer. Brainliest!

Chemistry
1 answer:
vichka [17]3 years ago
5 0

Answer:

the equation is unbalanced

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What is the mass , in grams of 0.0287 moles of sucrose
VladimirAG [237]

Hey there!

Sucrose is C₁₂H₂₂O₁₁.

Find molar mass of sucrose:

C: 12 x 12.01 = 144.12

H: 22 x 1.008 = 22.176

O: 16 x 11 = 176

--------------------------------

                  342.296 grams

That is the mass of one mole of sucrose.

We have 0.0287.

342.296 x 0.0287 = 9.82

The mass of 0.0287 moles of sucrose is 9.82 grams.

Hope this helps!

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2 years ago
what are some of the main things a girl will do if she likes you (YES THIS IS CHEMISTRY) so I'm not breaking the rules
V125BC [204]

Answer: It depends on her as a person. Given the various ways people give/receive affection(Their love language), it cold vary anywhere from endless compliments all the way to doing nice things for you. Most common, is hanging out a lot and communication as a constant.

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The sheet of gold foil Rutherford used was 304 mm wide and 0.016 mm thick. What maximum length of gold foil could be made from 1
katrin [286]

The maximum length of gold foil could be 1171.7 cm made from 1.10 x 10³ g of gold.

<h3>What is the density?</h3>

The density of an object can be described as the mass per unit volume. The average density is equal to the total mass divided by its total volume.

The mathematical formula of the density of the material can be expressed as follows:

Density = Mass/Volume

The density of a substance is an intrinsic property as it doesn't depend on its size and the S.I. unit of the density is Kg/m³.

Given the width of the gold foil, w = 304 mm = 30.4 cm

The height or thickness of the foil, h = 0.016 mm = 0.0016 cm

The density of the gold foil, d = 19.3 g/cm³

The mass of the gold given, m = 1100 g

The volume of the foil = m/d = 1100/ 19.3 = 56.99 g/cm³

As we know that the volume of  gold foil , V = l × w × h

l = V/(w × h)

l = 56.99/(30.4 × 0.0016)

l =1171.7 cm

Learn more about density, here:

brainly.com/question/15164682

#SPJ1

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Department store is el almacen, chase is persecución, and market is el mercado.
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3 years ago
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A total of 25.0 mL of 0.150 M potassium hydroxide (KOH) was required to neutralize 15.0 mL of sulfuric acid (H2SO4) of unknown c
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