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saw5 [17]
3 years ago
10

Given the reaction:

Chemistry
1 answer:
ArbitrLikvidat [17]3 years ago
4 0

The total number of moles of NaOH needed to react : 4

<h3>Further explanation</h3>

Given

Reaction

2NaOH + H2SO4 → Na2SO4 + 2H2O

Required

moles of NaOH

Solution

The chemical reaction coefficient shows the mole ratio of the components of the compounds involved in the reaction, either in terms of reactants or products

From the equation, mol ratio of NaOH and H2SO4 : = 2 : 1, so mol NaOH :

= 2/1 x mol H2SO4

= 2/1 x 2 moles

= 4 moles

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Travka [436]

Kinetic energy id energy of motion  and is equal to 1/2mv^2 where m = mass and v = velocity.

So the answer is a salmon leaping up a waterfall.

8 0
3 years ago
What is the molarity of a NaOH solution if 15.0 mL of the solution is neutralized by 38.5 mL 0.150 M H3PO4 solution?
wlad13 [49]
The solution for this problem is:
Look for the moles of NaOH which is 0.0385 L x 0.150 M = 0.00578 
H3PO4 + 3 NaOH = Na3PO4 + 3 H2O 
moles H3PO4 = 0.00578 / 3 = 0.00193 
M of H3PO4 = 0.00193 mol / 0.0150 L= 0.128 is the molality we are looking for in this problem.
4 0
3 years ago
Ammonia (NH3) is widely used as a fertilizer
ratelena [41]

Answer:

82.28g

Explanation:

Given parameters:

Number of moles of hydrogen gas = 7.26 moles

Unknown:

Amount of ammonia produced = ?

Solution:

We have to write the balanced equation first.

              N₂    +   3H₂    →    2NH₃

Now, we work from the known to the unknown;

   

                  3 moles of H₂ will produce 2 moles of NH₃

                7.26 mole of H₂ will produce \frac{7.26 x 2}{3}  = 4.84 moles of NH₃

Molar mass of NH₃ = 14 + 3(1) = 17g/mol

Mass of NH₃  = number of moles  x molar mass = 4.84 x 17 = 82.28g

3 0
3 years ago
The chemical formula for a molecule that contains two chlorine (Cl) atoms is ___________.
Karo-lina-s [1.5K]
CI2 is two chlorine atoms.
6 0
4 years ago
Read 2 more answers
372x75×46+1×57×38+8=​
tensa zangetsu [6.8K]

Answer:

1285574

Explanation:

6 0
4 years ago
Read 2 more answers
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