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TiliK225 [7]
3 years ago
7

Sodium Thiosulphate dissolves in dilute nitric acid at a steady speed. Copy out which of the following changes would quicken up

the reaction.
a. Cooling the reacting vessel to drop the temperature.
b. Breaking the reactants into smaller pieces.
c. Adding more concentrated acid.
d. Using more sodium thiosulphate.

Please Give a Small definition it will be very helpful.
Chemistry
1 answer:
Tasya [4]3 years ago
4 0

Answer:

what is the answer

Explanation:

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5.54 moles of AgNO3 are dissolved in 0.48 L of water. What is the molarity of the AgNO, solution?
expeople1 [14]

Answer:

11.54 M

Explanation:

In this case, all we have to do is to apply the following expression:

M = n/V

M: molarity

n: moles

V: volume of solution in liters

In this case, we can assume that the volume of water will be the volume of solution. This is because the problem is not specifing if the moles of AgNO3 are liquid or solid, so we can make a safe assumption of the volume.

Using the expression above we have:

M = 5.54 / 0.48

M = 11.54 M

This is the molarity of solution

7 0
3 years ago
Read 2 more answers
How many liters of hydrogen gas is produced from 3.712 g of magnesium with 104.2ml of 1.385 mol/L HCL (aq) at SATP? Please show
Licemer1 [7]

Answer:

V=1.61L

Explanation:

Hello,

In this case, the undergoing chemical reaction is:

Mg+2HCl\rightarrow MgCl_2+H_2

Next, we compute the reacting moles of each reactants:

n_{Mg}=3.712gMg*\frac{1molMg}{24.305 gMg}=0.153molMg

n_{HCl}=1.385\frac{molHCl}{L}*0.1042L=0.144molHCl

Then, as magnesium and hydrohloric acid are in a 1:2 molar ratio 0.153 moles of magnesium will completely react with 0.306 moles of hydrochloric acid yet we only have 0.144 moles, therefore, limiting reactant is hydrochloric acid. Thus, we compute the produced moles of hydrogen:

n_{H_2}=0.144molHCl*\frac{1molH_2}{2molHCl} =0.072molH_2

Finally, we use the ideal gas equation with T=298K and 1atm (STP conditions) to compute the liters of hydrogen gas:

PV=nRT\\\\V=\frac{nRT}{P}=\frac{0.072mol*0.082\frac{atm*L}{mol*K}*273K}{1atm}\\  \\V=1.61L

Best regards.

3 0
3 years ago
What is the molar mass of 2-propanol (C3H8O)?
lisov135 [29]

Answer: 60 g C3H8O

Explanation: Solution:

Carbon C = 12 x 3

Hydrogen H = 1 x 8

Oxygen O = 16 x 1

Molar mass = 60 g C3H8O

3 0
4 years ago
Suppose 10 atoms of carbon (C) react with 20 atoms of oxygen (O) to form 10 molecules of carbon dioxide (CO2CO2). According to t
elena-s [515]

Answer:

30

According to the Law of Conservation of Matter, there will be 30 atoms of product in the reaction.

LAW OF CONSERVATION OF MATTER:

The law of conservation of matter states that matter can neither be created nor produced in a chemical reaction.

This further means that the amount of matter in the reactant of a reaction must equate that of the products.

Hence, if 10 atoms of carbon (C) react with 20 atoms of oxygen (O), there will be 10 + 20 = 30 atoms of product in this reaction.

Therefore, According to the Law of Conservation of Matter, there will be 30 atoms of product in the reaction.

4 0
3 years ago
What happens to positive ion when an ionic solute dissolves in water?
klio [65]
When an ionic is placed in water a dissolving reaction occurs so the positive or negative ion are only attracted to each other
5 0
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