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kicyunya [14]
3 years ago
13

Nowkwkskkdmdkdkeekdjsjskskwkwkwkwowowowo

Chemistry
2 answers:
Anvisha [2.4K]3 years ago
6 0

Answer:

Dude, that's exactly how I feel!

Zarrin [17]3 years ago
4 0

Answer:

I think the answer is jdndksjbxjxkxnxndkxkxn I'm not sure tho

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How many moles Of H2O will be produced from 42.0 g of H2O2?
d1i1m1o1n [39]
Molar{Mass} H_{2}O_{2} =2*16.0+2*1.0= 34.0 g/mol

42.0 g H_{2}O_{2}* \frac{1 mol H_{2}O_{2}}{34.0 g H_{2}O_{2}} = 1.24 mol H_{2}O_{2}

2H_{2}O_{2} --\ \textgreater \ 2 H_{2}O +O_{2}
\\2 mol  ----2 mol   (from// reaction)

\\1.24 mol ---1.24 mol (from  the problem)

Answer: 1.24 mol H_{2}O.
3 0
3 years ago
For a given substance the amount of light absorbed depends upon what four factors
Alchen [17]
For a given substance, the amount of light absorbed depend on these four factors:
1. The wavelength of light.
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3 years ago
A 0.98 M solution of calcium chloride with a volume of 0.25 L is diluted to form a 0.74 M solution. What is the new volume of th
tankabanditka [31]

The new volume of the dilute solution is 0.33 L.

<u>Explanation:</u>

Using the law of Volumetric analysis, we can find the volume of the dilute solution from the stock solution or the concentrated solution of Calcium Chloride.

V1M1 = V2M2

V1 be the volume of the stock solution = 0.25 L

M1 being the molarity of the stock solution = 0.98 M

V2 be the volume of the dilute solution = ?

M2 being the molarity of the dilute solution = 0.74 M

We have to rearrange the above equation to find V2 as,

V2 = $\frac{V1M1}{M2}

Now plugin the values as,

V2 = $\frac{0.25 L \times 0.98 M }{0.74 M}

   = 0.33 L

So the new volume of the dilute solution is 0.33 L.

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What words do you use in a hypothesis
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"If________, then _______ will happen because ________.

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