What volume (mL) is required from a stock solution of 1.98 M KNO3 to prepare a 750 mL solution of 1.0O M KNO3 ? 379 mL 380 mL 388 mL 368 mL

Q: Complete the following using significant digits rules. Report your answers using the correct number ...

A: Complete the following using significant digits rules. Report your answers using the correct number ...

Q: moles

A:

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A: 15) Given: Value in miles = 500 miles.  

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Q: Determine the concentration of the stock solution in molarity from which 50.0 mL was taken in order ...

A: M1=(?) V1= 50ml M2= 0.452M V2= 250ml  

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A: Given: molecular weights of nonpolar and non-ionic molecules.  

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A: We will apply Le-Chateliers principle to solve the above question.

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A: Note : Since you have posted a question with multiple sub-parts, we will solve first three sub-parts...

Q: Which of the following (NBr3, BF3, OF2, IF3) is(are) exempted from the octet rule? Check all that ap...

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Q: 1) What is the equilibrium equation for the FeS(s) + 2 H30+ (aq) = Fe2+(aq) + H2S (aq) + 2 H20 (1)

A: Since you have posted multiple questions as per guidelines we can solve only one per session . If yo...

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Q: What volume (mL) is required from a stock solution of 1.98m KNO3 to prepare a 750ml solution of 1.00...

A: We can solve the problem from the following formula : V 1 S 1 = V 2 S 2    Where : V1 = initial vol...

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Q: (c) An ideal monoatomic gas at 1 bar and 300 K is expanded adiabatically against a constant pressure...

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Q: weights önly honpolar and non-lonic molecules consisting of only hydrogen and carbon, which of the f...

A: The correct option is:  

Q: How many moles of nitrogen gas would be produced if 5.56 moles of copper(II) oxide were reacted with...

A: Given data :  Moles of copper(II) oxide (CuO) = 5.56 mol CuO  Chemical reaction :  2 NH₃(g) + 3 CuO ...

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Q: 5. In the titration of 15.00 mL of 0.200 M of a weak base, B:, (Ko = 7.25 x 10³) with 0.100 M HCI. c...

A: Given,  Volume of weak base (B) = 15.00 mL  Molarity of B = 0.200 M  Base dissociation constant = Kb...

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A: Absorbance is spectroscopy techniques for studying solid and liquid.

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Q: A lawn fertilizer is rated as 7.55% nitrogen, meaning 7.55 g of N in 100 g of fertilizer. The nitrog...

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Q: Calculate the molality of a solution containing 23.8 g of NaCI in 70.0 g of water. 2.45 x 10-4 m 2.4...

A: Answer 1 :- Given mass of KCl = 3.64 g Molar mass of KCl = 74.5513 g/mol Volume of water = 200 mL = ...

Q: 8. How many electrons in an atom can have a set of quantum numbers: n= 6 and l=2?

A: Quantum  Number Tells us about The Address  of the electrons  in orbitals.

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A: Since you have posted multiple questions ae per guidelines we can answer only one per session. If yo...

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Q: functional groups

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Q: A buffer is made up of 2.0 mL of 0.1 M weak acid (AH) and 20.0 mL of 0.1 M conjugate base (A minus)....

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Q: Give the balanced chemical equation for each of the following reactions Identification of cobalt io...

A: Soln