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2 years ago

What does it mean to neutralize a chemical solution?

Chemistry

2 answers:

Katen [24]2 years ago

6 0

A measure of 7 on the ph scale

ELEN [110]2 years ago

4 0

Answer:

A neutralized solution in chemistry refers to the reaction between an acid and base that results in a neutral balance, or a measure of 7 on the pH scale.

Explanation:

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A pupil adds 5 cm of 12 mol.dm sulphuric acids to make a 250 cmº solution. Calculate the

klemol [59]

Answer:

0.500 mol/dm³

Explanation:

Using the formula below;

CaVa = CbVb

Where;

Ca = concentration of acid (mol/dm³)

Cb = concentration of base (mol/dm³)

Va = volume of acid (cm³)

Vb = volume of base (cm³)

In accordance to the information provided in this question is;

Va = 5cm³

Vb = 250 cm³

Ca = 12 mol/dm³

Cb = ?

Using CaVa = CbVb

12 × 5 = Cb × 250

60 = 120Cb

Cb = 60/120

Cb = 0.500 mol/dm³

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3 years ago

Why does a solution of acid and sodium thiosulfate go cloudy

klemol [59]

The soulustion. turn cloudy due to the precipitation of Sulphur.

4 0

3 years ago

Options are upper left upper right bottom left bottom right for both problems please help!

polet [3.4K]

Answer:

(upper right) corner of the periodic table to the bottom left corner

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2 years ago

How much thermal energy is in 100 grams of water at 50 degrees Celsius

Ymorist [56]

when the thermal energy is the energy contained within a system that is responsible for its temperature.

and when the thermal energy is can be determined by this formula:

q = M * C *ΔT

when q is the thermal energy

and M is the mass of water = 100 g

and C is the specific heat capacity of water = 4.18 joules/gram.°C

and T is the difference in Temperature = 50 °C

So by substitution:

∴ q = 100 g * 4.18 J/g.°C * 50

= 20900 J = 20.9 KJ

6 0

3 years ago

Read 2 more answers

2. Balance the equation below, and answer the following question: What volume of chlorine gas, measured at STP, is needed to com

Juliette [100K]

Balanced equation: 2Na(s) + Cl₂(g) ---> 2NaCl(s)

when we have STP conditions, we can use this conversion: 1 mol = 22.4 L

first, we have to convert grams to molecules using the molar mass, and then use mole to mole ratio from the balanced equation.

molar mass of Na= 23.0 g/mol
ratio: 2 mol Na= 1 mol Cl₂ (based on coefficients of balanced equation)

calculations:

$6.25 g Na ( \frac{1 mol Na}{23.0 g} ) ( \frac{1 mol Cl_2}{2 mol Na} ) ( \frac{22.4 L}{1 mol} )= 3.04 L$

8 0

2 years ago