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atroni [7]
3 years ago
10

All of the following are diatomic molecules except? a)H b)Br c) CI d)S

Chemistry
2 answers:
xxTIMURxx [149]3 years ago
8 0
<span>d)S is not one of them. 

Here's an easy way to remember them, attached: </span>

Oksana_A [137]3 years ago
8 0
Sulphur is not one of them
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How many grams of a 26.9% sugar solution contain 49.0 g of sugar?
Ronch [10]

Answer:

182.156g

Explanation:

grams = 49/.269 = 182.156g needed

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Which statement best describes the whether shown by the purple combination of semicircles and triangles on a line on a weather m
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15g of magnesium (II) oxide decomposes, find the number of oxygen particles produced at 100% yield.
erastova [34]

2.258625 *10²³ oxygen atoms will be produced.

<h3><u>Explanation:</u></h3>

Decomposition reaction is defined as the type of reaction where one single reactant breaks to produce more than one product only by means of heat or other external factor.

Formula of magnesium oxide = MgO.

The molecular mass of magnesium oxide = 24 +16= 40.

So in 40 grams of magnesium oxide, number of molecules is 6.023 * 10²³.

So in 15 grams of magnesium oxide,, number of molecules is 6.023 *1023 * 15/40 = 2.258625 *10²³.

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6 0
3 years ago
How many moles are in 9.25E24 formulas units of sodium acetate?
Lelu [443]

Answer:

<h2>15.37 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

n =  \frac{N}{L} \\

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

n =  \frac{9.25 \times  {10}^{24} }{6.02 \times  {10}^{23} }  \\  = 15.365448...

We have the final answer as

<h3>15.37 moles</h3>

Hope this helps you

5 0
3 years ago
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