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bazaltina [42]
3 years ago
7

What element is being reduced in the following redox reaction?

Chemistry
1 answer:
charle [14.2K]3 years ago
5 0
Oxidation reaction is used in redox reaction
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The law of conservation of mass says that *
BabaBlast [244]
The answers would be the mass before a reaction is the same as the mass after a reaction which basically means mass is conserved
8 0
2 years ago
Calculate the molarity of the solution formed when 0.72 moles of CaBr2 is dissolved in 1.50 L water.
xxTIMURxx [149]

Answer:

The molarity of the formed CaBr2 solution is 0.48 M

Explanation:

Step 1: Data given

Number of moles CaBr2 = 0.72 moles

Volume of water = 1.50 L

Step 2: Calculate the molarity of the solution

Molarity of CaBr2 solution = moles CaBr2 / volume water

Molarity of CaBr2 solution = 0.72 moles / 1.50 L

Molarity of CaBr2 solution = 0.48 mol / = 0.48 M

The molarity of the formed CaBr2 solution is 0.48 M

4 0
3 years ago
Peppered moths come in two colors, black and white. What did Kettlewell show, with regard to peppered moth populations and tree
Vera_Pavlovna [14]
A is the answer because the trees turned blackish from the coal so moths that were black could camouflage on those trees easier.
4 0
3 years ago
Read 2 more answers
What is 24,506 written in<br> scientific notation?
irinina [24]

Answer:

2.4506 x 10^{4}

Explanation:

move decimal point to the right 1 time : 24506

24506 becomes 2.4506

count how many numbers after decimal point and that becomes b

b = 4

6 0
3 years ago
How many moles of HCl are present in 0.70 L of a 0.33 M HCl solution? (molar mass of HCl = 36.46 g/mol)
Vilka [71]

Answer:-

0.231 moles

Explanation:-

From the question we are told that

Volume of HCl solution = 0.70 L

Strength of HCl solution = 0.33 M

Here M stands for molarity. Molarity is the number of moles of the substance present per Litre of solution. So in place of M we can write moles / L

Number of moles of HCl solution = Volume of HCl solution x Strength of HCl solution

= 0.70 L x 0.33 moles / L

= 0.231 moles.

0.231 moles of HCl are present in 0.70 L of a 0.33 M HCl solution

5 0
3 years ago
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