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garik1379 [7]
3 years ago
15

Pls hurry I need to have this ASAP

Chemistry
2 answers:
tankabanditka [31]3 years ago
3 0

Answer:

The image is too blurry to see anything

Explanation:

Please upload a better image

alexandr1967 [171]3 years ago
3 0

Answer:

This is very very blurry

Explanation:

If anyone has the right answer and can see it then pls comment down and ill give the points

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12.5 mL of 6.0 M KCl is diluted to make a 1.5 L solution. The molarity of the dilution solution is ___ M. (Round atomic masses t
horsena [70]

The molarity of the dilution solution is 0.050 M

<h3>Further explanation</h3>

Molarity is a way to express the concentration of the solution

Molarity shows the number of moles of solute in every 1 liter of solute or mmol in each ml of solution

\large{\boxed {\bold {M ~ = ~ \frac {n} {V}}}

Where

M = Molarity

n = Number of moles of solute

V = Volume of solution

Dilution formula :

\tt M_1.V_1=M_2.V_2

M₁=6 M

V₁=12.5 ml

V₂=1.5 L=1500 ml

\tt 6\times 12.5=M_2\times 1500\\\\M_2=\dfrac{6\times 12.5}{1500}=0.05~M\\\\for~sig.fig\rightarrow 0.050~M

4 0
3 years ago
What volume in mt, of 0.5a M1HCI solution is needed to neutralize 77 ml of 1.54 M NaOH solution?
Rainbow [258]

Answer:

237.2 mL.

Explanation:

  • We have the rule: at neutralization, the no. of millimoles of acid is equal to the no. of millimoles of the base.

(XMV) acid = (XMV) base.

where, X is the no. of (H) or (OH) reproducible in acid or base, respectively.

M is the molarity of the acid or base.

V is the volume of the acid or base.

<em>(XMV) HCl = (XMV) NaOH.</em>

<em></em>

For HCl; X = 1, M = 0.5 M, V = ??? mL.

For NaOH, X = 1, M = 1.54 M, V = 77.0 mL.

<em>∴ V of HCl = (XMV) NaOH / (XV) HCl = (</em>1)(1.54 M)(77.0 mL) / (1)(0.5 M) = <em>237.2 mL.</em>

8 0
3 years ago
Which term describes matter that is a substance made of different kinds of atoms bonded together?
sveta [45]
A heterogeneous Mixture discribes a substance made of different kinds of atoms bonded together.
8 0
3 years ago
If 7.83 g of H 2 is reacted with 15.7 g of O 2 in the reaction 2H2 + O2 → 2H2O , what is the limiting reagent?
Marrrta [24]
When you take 7.83 g of H2, you convert to moles by dividing by the molar mass (2.02) and multiply by the number of H2s over H2Os. Then do the same for the O2. the limiting reagent in this case is the Oxygen by what I calculated.
8 0
3 years ago
What is the ratio for calcium bicarbonate
guapka [62]

ca(HCO3)2 this is what  i think it is

8 0
3 years ago
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