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bekas [8.4K]
3 years ago
9

What is the main difference between these two chemical formulas?

Chemistry
2 answers:
Zigmanuir [339]3 years ago
7 0

Answer:

I think it's A

Explanation:

H202 is hydrogen peroxide

H20 is water

Ber [7]3 years ago
5 0

Answer:

c

Explanation:

because it hydrogen mixed with peroxide

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A 500 ml aqueous solution of na3po4 was prepared using 82g of the solute. what is the molarity​
liraira [26]

Answer:

1 M

Explanation:

The molarity of a solution, M, is a measure of the concentration of that solution and it refers to the number of moles of solute (mol) per liter (L) of solution. The molarity (M) can be calculated using the formula:

M = number of moles (n) /volume (V)

In this question, a 500 ml aqueous solution of Na3PO4 was prepared using 82g of the solute.

Molar mass of Na3PO4 = 23(3) + 15 + 16(4)

= 69 + 31 + 64

= 164g/mol

Mole = mass/molar mass

mole = 82/164

mole = 0.5 mol

Volume in Litres (L) = 500 ml ÷ 1000 = 0.500L

Therefore, Molarity (M) = 0.5/0.500

Molarity = 1 M or 1 mol/L

7 0
3 years ago
Which of the following are chemicals?
Effectus [21]
I think it is c because food and clothing aren't technically chemicals however they do contain them so d is a possible answer but I think it is c
3 0
3 years ago
Explain why molecules of water were attracted to the negatively charged plastic tube while molecules of cyclohexane were not. Dr
mihalych1998 [28]

Answer:

See attached

Explanation:

Structural geometry is the key to understanding particle-particle interactions on a physical levels. Suggest a review of molecular geometry and states of matter for a more in depth understanding. Doc                                                

5 0
3 years ago
Which has a larger molar mass, salt (NaCl) or sugar (C12H22011) – how can you tell?
uysha [10]

Answer:

Explanation:

Molar mass of NaCl = (23+35.5)

Molar mass of NaCl = 58.5g/mol

Molar mass of C12H22011

= 12(12) + 22(1) + 16(11)

= 144 +22 + 176

= 342g/mol

4 0
3 years ago
If 35.8 grams of LiCl are dissolved in 184 grams of water, what is the concentration of the solution in percent by mass?
True [87]
35.8/184=.194565, or 19.4565%
3 0
3 years ago
Read 2 more answers
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