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dsp73
4 years ago
5

Which formula represents a salt? KOH KCl CH3OH CH3COOH

Chemistry
1 answer:
Licemer1 [7]4 years ago
3 0

Answer:

kci represents the formula of salt

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5. The density of a substance is 3.4 X 10^3 g/mL. Mixing it with another substance increases the density by 1.5 X 10^1 times. Wh
JulijaS [17]

Answer:

the total density of the mixture = 3.415 x 10^3 g/mL

Explanation:

given:

density of a substance is 3.4 x 10^3 g/mL

Mixing it with another substance increases the density by 1.5 x 10^1 times.

find:

What is the density of the mixture?​

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

let density (a) = 3.4 x 10^3 g/mL

density(b) = 1.5 x 10^1 g/mL

since there is no specific density provided for the mixture, we then add both to increase the density,

total density = density(a) + density(b)

total density = 3.4 x 10^3 g/mL + 1.5 x 10^1 g/mL

total density = 3.415 x 10^3 g/mL

therefore,

the total density of the mixture = 3.415 x 10^3 g/mL

5 0
3 years ago
Read 2 more answers
Given 0.500 moles of H₂, how many grams of NH₃ would be produced?
Allisa [31]

Answer:

0.333 mol NH₃

Explanation:

N₂  +  3 H₂  ⇆  2 NH₃

This is the reaction that produces NH₃.  Use the mole ratios to solve.  For every 3 moles of H₂ that are consumed, 2 moles of NH₃ are produced.

(0.500 mol H₂) × (2 mol NH₃/3 mol H₂) = 0.333 mol NH₃

You will produce 0.333 moles of NH₃.

4 0
3 years ago
PLEASE ANSWER ASAP AND SHOW WORK: A camping stove uses a 5.0 L propane tank that holds 68.0 moles of liquid C3H8. How large a co
seropon [69]

<u>Answer:</u> The volume of the container needed is 554.6 L

<u>Explanation:</u>

To calculate the volume of the gas, we use the equation given by ideal gas which follows:

PV=nRT

where,

P = pressure of the gas = 3.0 atm

V = Volume of the gas = ? L

T = Temperature of the gas = 25^oC=[25+273]K=298K

R = Gas constant = 0.0821\text{ L.atm }mol^{-1}K^{-1}

n = number of moles of propane gas = 68.0 moles

Putting values in above equation, we get:

3.0atm\times ?L=68mol\times 0.0821\text{ L.atm }mol^{-1}K^{-1}\times 298K\\\\V=\frac{68\times 0.0821\times 298}{3.0}=554.6L

Hence, the volume of the container needed is 554.6 L

6 0
3 years ago
Consider a solution that contains 0.274 M potassium chloride and 0.155 M magnesium chloride.
solong [7]

Answer:

Concentration of chloride ions = 0.584M

Explanation:

The step by step calculations is shown as attached below.

3 0
4 years ago
This section of the periodic table is called a(n)
Mice21 [21]

Answer:

Is it <u>Group</u>?

Explanation:

6 0
3 years ago
Read 2 more answers
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