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diamong [38]
3 years ago
15

What is the pH of 0.0001 M NaOH

Chemistry
1 answer:
Gnom [1K]3 years ago
6 0
The pH of NaOH is 10
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C3H8 + 5 O2 → 3 CO2 + 4 H2O
Reika [66]

Answer:

Mass = 112 g

Explanation:

Given data:

Mass of CO₂ produced = 90.6 g

Mass of oxygen needed = ?

Solution:

Chemical equation:

C₃H₈ + 5O₂       →      3CO₂+ 4H₂O

Number of moles of CO₂:

Number of moles = 90.6 g/ 44 g/mol

Number of moles = 2.1 mol

Now we will compare the moles of  CO₂ and oxygen:

                 CO₂           :           O₂

                    3             :            5

                    2.1           :        5/3×2.1 = 3.5

Mass of oxygen needed:

Mass = number of moles × molar mass

Mass = 3.5 mol × 32 g/mol

Mass = 112 g

7 0
3 years ago
An iron has a net charge of 3+. If this job has 8 protons, how many electrons does it have
kati45 [8]

Answer:

5 electrons

Explanation:

When an atom loses are gain the electrons ions are formed.

There are two types of ions.

Anion

Cation

1 = Anion

It is formed when an atom gain the electrons. when atom gain electron negative charge is created on atom. For example.

X + e⁻ → X⁻

2= Cation

It is formed when an atom loses the electrons. when atom lose electron positive charge is created on atom. For example.

X → X⁺ + e⁻

When an atom loses three electrons +3 charge is created. If this atom have 8 protons it means there were 8 electrons too. When it lost three electrons then remaining number of electrons are 5.

X → X³⁺ + 3e⁻

4 0
3 years ago
How many moles are in 68 grams of copper (II) hydroxide, Cu(OH)2
jarptica [38.1K]

heres your answer mate...

8 0
3 years ago
Is baking soda a fine powder or is it coarse
sp2606 [1]
Baking soda is a fine powder because when you touch it the baking soda is very soft
8 0
3 years ago
Which of the following is NOT an effect of human development on the Everglades?
Fofino [41]

Answer: I think its A

Explanation:

4 0
3 years ago
Read 2 more answers
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