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Sloan [31]
3 years ago
10

What is the pH of 0.6 M NaOH?

Chemistry
2 answers:
Nadya [2.5K]3 years ago
7 0

Answer:

pOH = - log[OH-]

[OH-] = 0.6M

pOH \:  =  -  log(0.6) \\  = 0.2218487496 \\ pH \:  + pOH \:  = 14 \\ pH \:  + 0.221848749 = 14 \\ pH = 14 - 0.221848749 \\  = 13.77815125 \\ 13.8

Aleksandr [31]3 years ago
6 0

Answer:

0.6 pH

Explanation:

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2 NH3 + 3 CuO --> 3 Cu + N2 + 3 H2O
Gnom [1K]

<u>Answer:</u> 0.5 moles of N_2 are produced in the reaction

<u>Explanation:</u>

The number of moles is defined as the ratio of the mass of a substance to its molar mass.

The equation used is:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}} ......(1)

Given mass of CuO = 113.6 g

Molar mass of CuO = 79.5 g/mol

Plugging values in equation 1:

\text{Moles of CuO}=\frac{113.6g}{79.5g/mol}=1.43 mol

For the given chemical reaction:

2NH_3+3CuO\rightarrow 3Cu+N_2+3H_2O

By the stoichiometry of the reaction:

If 3 moles of CuO produces 1 mole of N_2

So, 1.43 moles of CuO will produce = \frac{1}{3}\times 1.43=0.476=0.5mol of N_2

Hence, 0.5 moles of N_2 are produced in the reaction

5 0
3 years ago
If the moon resembled an asteroid, which theory would be most supported?
Law Incorporation [45]
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6 0
3 years ago
Why is Newton's first law of motion is sometimes called the law of inertia
zimovet [89]

Answer:

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6 0
3 years ago
How many moles of calcium chloride are needed to produce 6.50 moles of sodium chloride?
Anit [1.1K]

Answer:

This question appear incomplete

Explanation:

This question appear incomplete because an equation to show the production of sodium chloride from calcium chloride should have been illustrated. However, if the balanced chemical equation showing sodium chloride (NaCl) been a product of a reaction involving calcium chloride (CaCl₂) as a reactant (shown below) is to be used, then we start by writing a complete balanced chemical equation

CaCl₂ + Na₂CO₃  ⇒   CaCO₃ + 2NaCl

From the equation above, it can be deduced that 1 mole of CaCl₂ is required to produce 2 moles of NaCl, thus how many moles of CaCl₂ will be required to produce 6.5 moles of NaCl.

1 mole of CaCl₂ = 2 moles of NaCl

? moles of CaCl₂ = 6.5 moles of NaCl

cross multiply

? moles of CaCl₂ = 6.5 × 1/2

? moles of CaCl₂ = 3.25 moles of CaCl₂

3.25 moles of CaCl₂ will be needed to produce 6.5 moles of NaCl

8 0
3 years ago
What is a secondary pollutant in the troposphere
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Secondary air pollutants are the ones that are formed as a result of reactions
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