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slega [8]
3 years ago
13

How many grams of NaOH are needed to neutralize 50 grams of H2SO4

Chemistry
2 answers:
slavikrds [6]3 years ago
8 0

Answer:

H2SO4 + 2NaOH ==> Na2SO4 + 2H2O

Explanation:

Ede4ka [16]3 years ago
8 0
H2SO4 + 2NaOH ==> Na2SO4 + 2H2O

mols H2SO4 = grams/molar mass = ?
Using the coefficients in the balanced equation, convert mols H2SO4 to mols NaOH.
2Naoh+h2so4 na2so4+2h2o
50g/100g=x/98g
X=98g×50g/100g
X=49g
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Please can someone explain the differences in variables (e.g. control variable, Independent variable and Dependent variable). I
7nadin3 [17]

Answer:

Independent Variable: The thing in an experiment which is changed.

Dependent Variable: The thing in an experiment which is affected by the change. (In other words, it's affected by the independent variable.)

Control Variable: The other factors of the experiment that remain unchanged.

For example, say you want to do an experiment about the effects of water on plant height. So, the independent variable, or the thing that is changed would be the amount of water, and the dependent variable would be the plant height, as the plant height is directly affected by the independent variable. Lastly, for this to be a fair experiment, there must be control variables. For example, all of the plants should be put in a room with equal temperature, they should get the same amount of sunlight, etc.

I hope this answers your question- feel free to ask me if you need any more help.

3 0
3 years ago
Read 2 more answers
The photograph shows hexagonal basalt columns on a mountain that formed from a volcanic eruption in Iceland. Which of the follow
JulsSmile [24]

Lava that formed in these columns of Iceland is basaltic lava.

<h3>What is molten basaltic lava?</h3>

The Icelandic type causes the effusions of molten basaltic lava that flow from long, parallel fissures. Such outpourings produce lava plateaus. mountain type of mountains are formed due to such type of eruption of lava. The mountain was formed when the eruption occur under the ice sheet. Basaltic lava is another name of mafic lava. Mafic lava is molten rock that contain iron, magnesium and lower amount of silica. When mafic lava cools on the earth's surface, it produces basalt.

So we can conclude that Lava that formed in these columns of Iceland is basaltic lava.

Learn more about lava here: brainly.com/question/4871898

#SPJ1

6 0
2 years ago
How did the concentration of iodide ions change in these two trials, how did the rate change accordingly?
AfilCa [17]
<span>The concentration of iodide ions doubled.
<span>From what was found in part a, the reaction rate increases by a factor of about 4.</span></span>
3 0
3 years ago
What is the net ionic charge of calcium ion
dezoksy [38]
Explanation: Ca generally loses two electrons from its outer shell to form a Ca2+ ion.
Hope this helped!!
Could I get brainliest by chance?!
7 0
4 years ago
a gas that has a volume of 28 liters a temperature of 45 c and an unknown pressure has its volume increased to 34 liters and its
emmasim [6.3K]

Answer:

2.52 atm

Explanation:

Change C to K.

Solve for P1=P2V2T2/V1T1

- Hope that helps! Please let me know if you need further explanation.

5 0
4 years ago
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