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NeTakaya
2 years ago
14

How many moles of dipyrithione are in 29.0 g of dipyrithione?

Chemistry
1 answer:
viktelen [127]2 years ago
7 0

C10H8N2O2S2

C=12,H=1,N=14,O=16,S=32

R. F. M (Relative Formula Mass)=(12*10)+8+(2*14)+(2*16)+(2*32)

Number of moles =given mass/formula mass

=29/252

=0.1151 moles

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3 years ago
How many moles of aluminum oxide will be produced from 0.50 mol of oxygen? 4 al + 3 o2 2 al2o3?
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From the equation;
 4 Al + 3 O2 = 2 Al2O3
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3 years ago
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An unknown compound has a percent composition of 52.10% potassium, 15.8% carbon, and 32.1% oxygen. The molar mass of the compoun
lianna [129]
To determine the empirical formula and the molecular formula of the compound, we assume a basis of the compound of 100 g. We do as follows:

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K    52.10     52.10/39.10 = 1.33         1.33/1.32 ≈ 1
C    15.8       15.8/12         = 1.32         1.32/1.32 ≈ 1
O     32.1      32.1 / 16       =  2.01        2.01/1.32 ≈ 1.5

The empirical formula would most likely be KCO.
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3 years ago
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The maximum number of electrons in a p sub-level is:
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A p sub- level has 3 sub levels so it contains 6 electrons max 
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Please help me!!!!!!!!!!!!!
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double-displacement reaction

Explanation:

We have the chemical reaction:

Na₂S (aq) + Cd(NO₃)₂ (aq) → CdS (s) + 2 NaNO₃ (aq)

where:

(aq) - aqueous

(s) - solid

This is a double-displacement reaction because the reactants exchange atoms or group of atoms between themselves to form the products. To drive the reaction to the right, one of the products is a precipitate.

Generally we can express the double-displacement reaction as following:

AB + CD → AC + BD

Learn more about:

types of chemical reactions

brainly.com/question/13824617

#learnwithBrainly

3 0
2 years ago
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