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Zolol [24]
3 years ago
12

Koi hai kya yha par...??​

Chemistry
1 answer:
Delicious77 [7]3 years ago
6 0

Answer:

yesss

what happened

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How many moles of solute are in 53.1 mL of 12.5M HCI?
Deffense [45]
Molarity = moles of solute/volume of solution in liters.

From this relation, we can figure out the number of moles of solute by multiplying the molarity of the solution by the volume in liters.

We have 53.1 mL, or 0.0531 L, of a 12.5 M, or 12.5 mol/L, solution. Multiplying 12.5 mol/L by 0.0531 L, we obtain 0.664 moles. So, in this volume of solution, there are 0.664 moles of solute (HCl).
6 0
2 years ago
The molar mass of O2 is 32.0 g/mol.what mass,in grams,of O2 is required to react completely with 4.00 mol of Mg
Dahasolnce [82]
The balanced equation for the reaction between Mg and O₂ is as follows
2Mg + O₂ --> 2MgO
stoichiometry between Mg and O₂ is 2:1
number of Mg reacted - 4.00 mol
if 2 mol of Mg reacts with 1 mol of O₂
then 4.00 mol of Mg requires - 1/2 x 4.00 = 2.00 mol of O₂
then the mass of O₂ required - 2.00 mol x 32.0 g/mol = 64.0 g
64.0 g of O₂ is required for the reaction 
7 0
3 years ago
Read 2 more answers
Chile~ i need help once again
tensa zangetsu [6.8K]

Answer:

<h2><em>B</em></h2>

Explanation:

8 0
3 years ago
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Help me with number 19 and 20 please
Doss [256]
19) it's not balanced because when adding h2 and o2 u get h2o2 not h2o
20) I'm not sure
7 0
3 years ago
1. Two hypothetical elements in the periodic table have different characteristics as shown in the following table.
pickupchik [31]

Answer:

gas and element and compound

Explanation:

because it's different and more power so the elements

8 0
2 years ago
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