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natka813 [3]
4 years ago
11

How many moles of hydrogen are required to make 32 moles of water?

Chemistry
2 answers:
NNADVOKAT [17]4 years ago
7 0
You multiply 32 by 2, since there are two hydrogens in every water molecule.
kicyunya [14]4 years ago
6 0
<span>We know that there are 2 moles of H in 1 mole of water. How many moles of H are there in 32 moles of water?
 
H2O ----------------- H
1 mol --------------- 2 mols
32 mol ------------- x
 
1 . X = 32. 2 ⇒ X = 64 mols of H

Answer:
</span>\boxed{\boxed{64\: mols\: of\: Hydrogen}}<span>
</span>
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How many chloride ions are in 2.6 moles of CaCl2?
Rama09 [41]

Answer:

31.31× 10²³ number of Cl⁻ are present in 2.6 moles of CaCl₂ .

Explanation:

Given data:

Number of moles of CaCl₂ = 2.6 mol

Number of Cl₂ ions = ?

Solution:

CaCl₂  → Ca²⁺ + 2Cl⁻

The given problem will solve by using Avogadro number.

It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance.

The number 6.022 × 10²³ is called Avogadro number.

In one mole of CaCl₂ there are two moles of chloride ions present.

In 2.6 mol:

2.6×2 = 5.2 moles

1 mole Cl⁻ =   6.022 × 10²³ number of Cl⁻ ions

5.2 mol ×  6.022 × 10²³ number of Cl⁻  / 1mol

31.31× 10²³ number of Cl⁻

8 0
3 years ago
How many moles of a gas would occupy 11.4 L at 273K and 2.00 atm?
bagirrra123 [75]

Answer:

1.02mol

Explanation:

Using the general gas equation below;

PV = nRT

Where;

P = pressure (atm)

V = volume (L)

n = number of moles (mol)

R = gas law constant (0.0821 Latm/molK)

T = temperature (K)

According to the information provided in this question,

P = 2.0 atm

V = 11.4L

T = 273K

n = ?

Using PV = nRT

n = PV/RT

n = 2 × 11.4/ 0.0821 × 273

n = 22.8/22.41

n = 1.017

n = 1.02mol

3 0
3 years ago
Consider the following statements.
Vsevolod [243]

Answer: B and C only

Explanation:

3 0
3 years ago
Acids or bases can be tested by chemical_________
DedPeter [7]

Answer:

acids or bases can be tested

by chemical indicators

7 0
2 years ago
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Timmy and his dad are throwing rocks into the pond. The rocks that Timmy's dad throws go farther and faster. Which of
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Can you put a picture
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