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Georgia [21]
3 years ago
6

What is the effect of decreasing concentration of sodium hydroxide ten times in standardization​

Chemistry
1 answer:
tatuchka [14]3 years ago
7 0

Answer:

[Translation] pH will decrease by 1.

Explanation:

See attached image. The translation is in the "Answer".

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Please help!
valkas [14]
The answer is B . Brønsted-Lowry Acid/bases trade H+
3 0
3 years ago
What is the answer to this
scoray [572]
The answer is 128.19
7 0
3 years ago
How many grams of CO₂ can be produced from the combustion of 2.76 moles of butane according to this equation: 2 C₄H₁₀(g) + 13 O₂
Vilka [71]

Answer:

485.76 g of CO₂ can be made by this combustion

Explanation:

Combustion reaction:

2 C₄H₁₀(g) + 13 O₂ (g) → 8 CO₂ (g) + 10 H₂O (g)

If we only have the amount of butane, we assume the oxygen is the excess reagent.

Ratio is 2:8. Let's make a rule of three:

2 moles of butane can produce 8 moles of dioxide

Therefore, 2.76 moles of butane must produce (2.76 . 8)/ 2 = 11.04 moles of CO₂

We convert the moles to mass → 11.04 mol . 44g / 1 mol = 485.76 g

5 0
3 years ago
Which equation is used to calculate the specific heat of the metal?
algol [13]

i dont know gjchhhhhhhhhhhhhhhhhhhhhhhhh

3 0
3 years ago
What mass of cu(s) is electroplated by running 26.5 a of current through a cu2+(aq) solution for 4.00 h?
kramer
T = 14400 s 
26.5 x 14400=381600 C 
381600/96500=3.95 Faradays 
Cu2+ + 2e- = Cu 
3.95 faradays ( 1 mol/ 2 Faradays) = 1.97
mass = 1.97 x 63.55 g/mol=125 g 

moles Au = 33.1 / 196.967 g/mol=0.168 
Au+ + 1e- = Au 
0.168 ( 1 Faraday/ 1mol)= 0.168 Faraday 
0.168 x 96500=16217 Coulombs 
16217 / 5.00=3243 s => 54 min
7 0
3 years ago
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