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Lerok [7]
4 years ago
14

If the directions on a bottle say, "shake well before using" what must it be?

Chemistry
2 answers:
netineya [11]4 years ago
8 0

Answer:

It would be a <u><em>solution.</em></u>

Nitella [24]4 years ago
4 0

Directions Average dose 2 tablespoons of Protecto after each meal or according to your phyBicians instructions. Can be added to Tomato Juice EXEMAS Protecto is a splendid culture for Enemas. ... Shake well before using. ... the said bottles of Protecto as an official sample #41-022 H of the Food and Drug Administration.

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if Fe(NO3)3 is dissolved in enough water to make exactly 323 ml of solution, what is the molar concentartion of nitrate ion g
Ilya [14]

The given question is incomplete. the complete question is : If 5.15 gFe(NO_3)_3 is dissolved in enough water to make exactly 323 ml of solution, what is the molar concentartion of nitrate ion.

Answer:  The molar concentartion of nitrate ion is 0.195.

Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per Liter of the solution.

Given : 5.15 g of Fe(NO_3)_3 is dissolved

Volume of solution = 323 ml

Molarity=\frac{n\times 1000}{V_s}

where,

n= moles of solute

Moles=\frac{\text{Given mass}}{\text{Molar mass}}=\frac{5.15g}{242g/mol}=0.021moles  

V_s = volume of solution = 323 ml

Molarity=\frac{0.021\times 1000}{323}=0.065M

As 1 M of Fe(NO_3)_3 gives 3 M of NO_3^- ions.

Thus 0.065 M of Fe(NO_3)_3 gives  = \frac{3}{1}\times 0.065=0.195M of NO_3^- ions.

The molar concentartion of nitrate ion is 0.195.

4 0
3 years ago
Observations of the solar system support the nebular theory because
motikmotik

Answer:

Because all the planets orbit the sun in the same direction, along a circular flattened disk.

Explanation:

You're welcome bro, sorry for the late answer

6 0
4 years ago
Read 2 more answers
Earth's magnetic field:
DedPeter [7]
Does not affect solar winds
7 0
4 years ago
Which of the following occurs when a reaction in a solution is at equilibrium and more product is added to the solution?No chang
LenaWriter [7]

Answer:

Equilibrium shifts to produce more reactant

Explanation:

  • <em>Le Châtelier's principle</em> <em>states that when there is an dynamic equilibrium, and this equilibrium is disturbed by an external factor, the equilibrium will be shifted in the direction that can cancel the effect of the external factor to reattain the equilibrium.</em>

  • When more product is added to the solution:

<em>This will increase the concentration of the products side, so the reaction will be shifted to the lift side (reactants side) to suppress the increase in the concentration of Products.</em>

<em />

<em>So, the right choice is: Equilibrium shifts to produce more reactant</em>

3 0
3 years ago
7. What is the unit for Mass?<br> *<br> 1 poin<br> Kg<br> S<br> N<br> m/s
olga_2 [115]

Answer:

kilograms is the unit for mass

6 0
3 years ago
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