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Questions tagged 'Solutions'

12 questions

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Anonymous

Feb 10, 2025

y = 3.5x – 3.5 y = -3.5x + 3.5: How many solutions will this system of equations have?

Consider the following system of equations: ( y = 3.5x - 3.5 ) ( y = -3.5x + 3.5 ) How many solutions does this system of equations have? A: No solution B: Infinite solutions C: One solution D: Two...

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Anonymous

Jan 10, 2025

Arrange the following solutions in order of increasing acidity: NaCl, NaOH, NaHCO3, NH4Cl, NH4ClO2?

Please arrange the following solutions in order of increasing acidity: NaCl, NaOH, NaHCO3, NH4Cl, and NH4ClO2. Additionally, could you provide a brief explanation of the factors that influence the aci...

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Anonymous

Jan 09, 2025

how many grams of glucose would you have to weigh out to make 500 mls of a 0.5M solution of glucose?

if someone can help me at least start the solution or help me understand the steps, please, i’m struggling to understand it….thank you alot.

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Anonymous

Jan 06, 2025

Solution of an unknown solute in cyclohexane. Freezing-point, Find molality?

Assume you have a solution of an unknown solute in cyclohexane that exhibits a freezing-point depression of 9.50 °C. What is the molality of this solution? Please note that the molal freezing-point co...

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Anonymous

Dec 13, 2024

Concentration of solution problem please help?

The density of toluene (C7H8) is 0.867 g/mL, while the density of thiophene (C4H4S) is 1.065 g/mL. A solution is prepared by dissolving 8.10 g of thiophene in 250.0 mL of toluene. a) Calculate the mo...

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Anonymous

Dec 04, 2024

A0.1025-g sample of copper metal is dissolved in 35 ml of concentrated hno3 to form cu2 ions and then water is added to make a total

A 0.1025-g sample of copper metal is dissolved in 35 mL of concentrated HNO3, resulting in the formation of Cu²⁺ ions. Afterward, water is added to achieve a total volume of 200.0 mL. What is the mola...

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Anonymous

Nov 19, 2024

What is the solution of the system of equations?3x+6y=-215x+30y+-10?

What is the solution to the following system of equations: 1) 3x + 6y = -21 2) 5x + 30y = -10 Please choose from the following options: a) (-1/6, 2) b) infinitely many solutions c) no solution d)...

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Anonymous

Nov 15, 2024

determine the ph of each o the following solutions?

Could you please assist in determining the pH of each of the following solutions? 1) 0.22 M KCHO2 2) 0.23 M CH3NH3I 3) 0.25 M KI Thank you!

If the standard solutions had been unknowingly been made up to be .0024M AgNO3 and .004M K2CrO4…?

If the standard solutions were unknowingly prepared to be 0.0024 M AgNO3 and 0.004 M K2CrO4, how would this affect the results? Can you explain the implications of these concentrations on the outcomes...