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3 years ago

Why must all chemical equations be balanced?

1 answer:

8 0

If the equation is not balanced, you have extra of one substance. If you try to do an experiment, you could wind up with a totally different outcome. Its kind of like baking a cake. If the ingredients aren't the right amounts, you dont get an edible cake.

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Help? Will mark as brainlist!!

DIA [1.3K]

Answer:

1. 4.75

2. 5.50

Explanation:

7 0

3 years ago

C6H5NH3Cl is a chloride salt with an acidic cation. If 46.3 g of C6H5NH3Cl is dissolved in water to make 150 mL of solution, wha

vaieri [72.5K]

<u>Answer:</u> The initial molarity of cation is 2.38 M

<u>Explanation:</u>

To calculate the molarity of solution, we use the equation:

$\text{Molarity of the solution}=\frac{\text{Mass of solute}\times 1000}{\text{Molar mass of solute}\times \text{Volume of solution (in mL)}}$

We are given:

Given mass of $C_6H_5NH_3Cl$ = 46.3 g

Molar mass of $C_6H_5NH_3Cl$ = 129.6 g/mol

Volume of solution = 150 mL

Putting values in above equation, we get:

$\text{Molarity of }C_6H_5NH_3Cl=\frac{46.3\times 1000}{129.6\times 150}\\\\\text{Molarity of }C_6H_5NH_3Cl=2.38M$

1 mole of $C_6H_5NH_3Cl$ produces 1 mole of $C_6H_5NH_3^+$ cation and 1 mole of $Cl^-$ anion

So, molarity of $C_6H_5NH_3^+$ cation = (1 × 2.38) = 2.38 M

Hence, the initial molarity of cation is 2.38 M

8 0

3 years ago

What is the h+ concentration in a urine sample that has a ph of 6?

Mnenie [13.5K]

Remember pH is defined as: pH = -log[H+]

so, substituting

4 = - log[H+]

-4 = log [H+] Take antilog of both sides

10^(-4) = [H+]

[H+] = 1 x 10^-4 M

5 0

4 years ago

;lkanjfgsdanf'gnsldknfg'kfbns[oinc[OIEHNP'Kng]ND<br>vnW"erpiVNSODNg

liq [111]

what is that????????????????

7 0

4 years ago

ITS TIMED ANSWER QUICKLY PLSSS!!Which spheres of Earth are directly influenced when human-caused air pollution leads to acid rai

bagirrra123 [75]

<h3>Answer:</h3>

Atmosphere
Geosphere
Hydrosphere

<h3>Explanation:</h3>

Humans impact the spheres of the earth negatively through pollution and deposition of waste products from industries and factories.
The release of waste gases from factories and chemical industries pollutes the atmosphere which is composed of the gases used by animals and plants.
Waste products and toxic materials from factories that are released to rivers, oceans, and lakes affect the hydrosphere by destroying the aquatic organisms.
Deposition of materials wastes from homes and from day to day activities on the soil and activities such as mining and deforestation destroys the geosphere that has the soil used form agricultural purposes.

3 0

3 years ago

Read 2 more answers