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3 years ago

what is the number of each type of atom on the right side of the equation 2Na3PO4(aq)+2CoCl2(aq)→2Co3(PO4)2(s)+6NaCl(aq)

Chemistry

2 answers:

Luden [163]3 years ago

7 0

Answer : The number of atoms $Co,P,O,Na\text{ and }Cl$ are, 6, 4, 16, 6, 6

Explanation :

The given balanced chemical reaction is:

$2Na_3PO_4(aq)+2CoCl_2(aq)\rightarrow 2Co_3(PO_4)_2(s)+6NaCl(aq)$

This reaction is balanced reaction because in this reaction all the atoms of individual elements are completely balanced.

From the balanced reaction we conclude that $Co_3(PO_4)_2$ and $NaCl$ are present on the right side of the equation.

Number of atoms of cobalt (Co) present on right-side of the equation = 6

Number of atoms of phosphorous (P) present on right side of the equation = 4

Number of atoms of oxygen (O) present on right side of the equation = 16

Number of atoms of sodium (Na) present on right side of the equation = 6

Number of atoms of chlorine (Cl) present on right side of the equation = 6

Hence, the number of atoms $Co,P,O,Na\text{ and }Cl$ are, 6, 4, 16, 6, 6

Andre45 [30]3 years ago

3 0

6 atoms of Cobalt.

4 atoms to Phosphate (PO4).

6 atoms to sodium.

6 atoms to Chlorine.

The coefficient is one factor that tells you how many atoms go to each atom/element, however, the subscript also influences this.

If the compound has parenthesis, then the subscript within the parenthesis remains untouched and does not affect the atoms.

Basically, to calculate the atoms is multiply the coefficient (number in front of the atom) by the subscript attached to the atom. If it's a compound such as Co3PO4, then make sure the coefficient affects the second atom as well.

Hope this helps!

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Luda [366]

Answer:

We need 78.9 mL of the 19.0 M NaOH solution

Explanation:

Step 1: Data given

Molarity of the original NaOH solution = 19.0 M

Molarity of the NaOH solution we want to prepare = 3.0 M

Volume of the NaOH solution we want to prepare = 500 mL = 0.500 L

Step 2: Calculate volume of the 19.0 M NaOH solution needed

C1*V1 = C2*V2

⇒with C1 = the concentration of the original NaOH solution = 19.0 M

⇒with V1 = the volume of the original NaOH solution = TO BE DETERMINED

⇒with C2 = the concentration of the NaOH solution we want to prepare = 3.0 M

⇒with V2 = the volume of the NaOH solution we want to prepare = 500 mL = 0.500 L

19.0 M * V2 = 3.0 M * 0.500 L

V2 = (3.0 M * 0.500L) / 19.0 M

V2 = 0.0789 L

We need 0.0789 L

This is 0.0789 * 10^3 mL = 78.9 mL

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8 0

3 years ago

Can you please help me?

lorasvet [3.4K]

Answer:

60 moles of NaF

Explanation:

The balanced equation for the reaction is given below:

Al(NO3)3 + 3NaF —> 3NaNO3 + AlF3

From the balanced equation above,

3 moles of NaF reacted to produce 1 mole of AlF3.

Therefore, Xmol of NaF will react to produce 20 moles of AlF3 i.e

Xmol of NaF = 3 x 20

Xmol of NaF = 60 moles

Therefore, 60 moles of NaF are required to produce 20 moles of AlF3.

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2 years ago

Mass = 35g Volume = 7cm³ What is the Density?

gizmo_the_mogwai [7]

Answer:

The answer is

Explanation:

The density of a substance can be found by using the formula

$density = \frac{mass}{volume} \\$

From the question

mass = 35 g

volume = 7 cm³

The density is

$density = \frac{35}{7} \\$

We have the final answer as

Hope this helps you

7 0

3 years ago

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pickupchik [31]

Explanation:

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6.0*2 moles/ 1 mole

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