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Dmitry_Shevchenko [17]
2 years ago
11

For the hypothetical compound AX3, which statement is true?

Chemistry
1 answer:
Artist 52 [7]2 years ago
5 0

Answer:

i

b because it says it in the question

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How many grams of sodium chloride are present in a 0.75 M solution with a volume of 500.0 milliliters?
LUCKY_DIMON [66]
The units for molarity is moles of solute per liter of solution which means if you multiply the molarity of a solution by its volume you get how many moles of solute are in the solution. (0.75Mx0.5L=0.375mol NaCl) Then you can multiply the moles of sodium chloride (0.375 mol) by its molar mass (58.45 g/mol) to get 21.92g of sodium chloride. That means there is 21.92 grams of sodium chloride in 500mL of 0.75M solution. I hope this helps. Let me know if anything is unclear.
6 0
3 years ago
Calculate the energy of a quantum of radiant energy with a frequency of 5.00x1011/s
Aloiza [94]
5.00 x  1011/s = 5.05500kilohertz
7 0
3 years ago
Read 2 more answers
How many grams of CO2 evolved from a 1.205g sample that is 36% MgCO3 and 44% K2CO3 by mass?
emmasim [6.3K]

Mass of CO₂ evolved : 0.108 g

<h3>Further explanation</h3>

Given

1.205g sample, 36% MgCO3 and 44% K2CO3

Required

mass of CO2

Solution

  • mass of MgCO₃ :

0.36 x 1.205 g=0.4338 g

mass C in MgCO₃(MW MgCO₃=84 g/mol,  Ar C = 12/gmol)

= (12/84) x 0.4338

= 0.062 g

  • mass of K₂CO₃ :

0.44 x 1.205 g = 0.5302 g

Mass C in K₂CO₃(MW=138 g/mol) :

= (12/138) x 0.5302

= 0.046 g

Total mass Of CO₂ :

= 0.062 + 0.046

= 0.108 g

7 0
3 years ago
To balance a half-reaction in basic solution, you need to add enough of which substances to balance the equation?
LenKa [72]
I'm not sure if this is what you're looking for, but I suppose you would have to have the solute and the solution to balance the reaction.
4 0
3 years ago
Read 2 more answers
What answer giving brainliest tysm
monitta

Answer:

a

Explanation:

it is repeating

3 0
3 years ago
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