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3 years ago

7

8.24 km = _______ dm

1 answer:

dimaraw [331]3 years ago

8 0

3. hope i helped you bro good luck w this.

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What is molarity of a solution containing 0.34 moles of FeCl3 in the 0.45 liters of water

Minchanka [31]

Hello!

Molarity is defined as the number of moles of a substance that can be found in 1 liter of solution. That is expressed mathematically as M=mol/L

For the FeCl₃ solution:

$M= \frac{mol FeCl_3}{L sol}= \frac{0,34 moles FeCl_3}{0,45 L}= 0,756 M$

So, the concentration of this solution is 0,756 M

Have a nice day!

7 0

3 years ago

PLEASEEE HELP NOW!!! 60 BRAINLIEST!!

algol13

Answer:

When the net force is balanced

Explanation:

Remeber taking physics and doing this

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3 years ago

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A 0.4647-g sample of a compound known to contain only carbon, hydrogen, and oxygen was burned in oxygen to yield 0.01962 mol of

Scilla [17]

Answer:

The essence including its given problem is outlined in the following segment on the context..

Explanation:

The given values are:

Moles of CO₂,

x = 0.01962

Moles of water,

$\frac{y}{2} =0.01961$

$y=2\times 0.01961$

$=0.03922$

Compound's mass,

= 0.4647 g

Let the compound's formula will be:

$C_{x}H_{y}O_{z}$

Combustion's general equation will be:

⇒ $C_{x}H_{y}O_{z}+x+(\frac{y}{4}-\frac{z}{2}) O_{2}=xCO_{2}+\frac{y}{2H_{2}O}$

On putting the estimated values, we get

⇒ $12\times x=1\times y+16\times z=0.4647$

⇒ $12\times 0.01962+1\times 0.03922+16\times z=0.4647$

⇒ $0.27466+16z=0.4647$

⇒ $z=0.01187$

Now,

x : y : z = $0.01962:0.03922:0.01187$

= $\frac{0.01962}{0.0118}:\frac{0.03922}{0.0188}:\frac{0.0188}{0.0188}$

= $1.6:3.3:1.0$

= $3:6:2$

So that the empirical formula seems to be "C₃H₆O₂".

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3 years ago

How many formula units in 3.56 g magnesium phosphate

Rudik [331]

Answer:

1.5 of mag 1 phos 1 oxygen

Explanation:

hope this helps well sorry i don't really know lol i tried

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3 years ago

Which two species in this table are most similar to each other?

gayaneshka [121]

<span>The coyote (Canis latrans) and the gray wolf (Canis lupus) are the most similar species in the table.</span>

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3 years ago

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