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3 years ago

How many moles of glucose molecules?

1 answer:

muminat3 years ago

6 0

1 molecule of glucose contains 6 atoms of C, 12 atoms of H , and 6 atoms of 0.1 mole of glucose contains 6 moles of C atoms , 12 moles of H atoms , and 6 moles of O atoms .

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What is the fundamental building unit

andrew11 [14]

Answer:

The basic building blocks that make up matter are called atoms.

I hope it's helpful!

3 0

3 years ago

In the reaction between copper sulphate solution and sodium sulphide solution, 15.9 g copper sulphate completely reacts with 7.8

nikitadnepr [17]

Answer:

The mass of formed sodium sulphate solution is 14.2 g.

Explanation:

From the given,

Mass of copper sulphate = 15.9 g

Mass of sodium sulphide = 7.8 g

Total mass of reactant = Mass of copper sulphate + Mass of sodium sulphide

= 15.9 + 7.8g = 23.7g

Mass of copper sulphide formed = 9.5 g

Mass of sodium sulphate = Total mass - Mass of copper sulphide

= 23.7 g - 9.5 g = 14.2 g

Therefore, The mass of formed sodium sulphate solution is 14.2 g.

8 0

3 years ago

How many moles is 50g of CaCO3?

Neko [114]

$\huge\underline\mathbb\pink{♡Your Answer♡}$

Formula mass of CaCO3 is

40 + 12 + 3-100amu....

100g CaCO3 = 1 mole..

50g of CaCO3 = 1÷ 100x 5 = 0.5mole...

<h3>Hence ,answer is 0.5mole...</h3>

Hope it helps you..

Thanks...

3 0

3 years ago

A solution of the primary standard potassium hydrogen phthalate (KHP), KHC8H4O4 , was prepared by dissolving 0.4877 g of KHP in

Grace [21]

Answer:

The concentration of KOH is 0.06137 M

Explanation:

Step 1: Data given

Molar mass of KHP = 204.22 g/mol

Mass of KHP = 0.4877 grams

Volume of water = 50 mL

Volume of KOH solution = 38.91 mL

Step 2: The balanced equation

C8H5KO4 + KOH ⇒ C8H4K2O4+ H2O

Step 3: Calculate number of moles of KHP

Moles = Mass / molar mass

Moles KHP = 0.4877 grams / 204.22 g/mol

Moles KHP = 0.002388 moles

Step 4: Calculate moles of KOH

For 1 mol KHP we need 1 mol KOH to produce 1 mol C8H4K2O4 and 1 mol H2O

For 0.002388 moles KHP we need 0.002388 moles KOH

Step 5: Calculate the concentration of KOH

Concentration = moles / volume

Concentration of KOH = 0.002388 moles / 0.03891 L

Concentration of KOH = 0.06137 M

The concentration of KOH is 0.06137 M

4 0

3 years ago

It is the balance between thermal energy and intermolecular forces that determines the state of matter of any substance at room

ExtremeBDS [4]

Answer:

The correct option is;

2) Thermal energy increases by a factor of R

Explanation:

The equipartition energy theorem states that when molecules are in a state of thermal equilibrium, particles within the system posses equal average energy with each degree of freedom which can be known as energy due to a state of having a particular temperature or thermal energy given by the relation

$E_{th}$ = Kinetic energy of translation + Kinetic energy of rotation + Energy of vibration

For a mono-atomic gas, $E_{th}$ = 3/2·n·R·T

For a diatomic gas, $E_{th}$ = 5/2·n·R·T

For a solid element, $E_{th}$ = 3·n·R·T

Therefore, as the temperature is doubled, the thermal energy increases by a factor of R.

5 0

3 years ago

How many moles of glucose molecules?​

How many moles of glucose molecules?