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solution of calculate the time required to dial the number 00-91-44-414630, using a rotary dial telephone?
Its a matter of daily practice, this task depends upon your practice. I think a man who used this vintage telephone sets also had a grip on dialing , He maybe take 15-20 seconds to dial this number. Otherwise if someone new guy may take several minutes to handle this type of set. because the number 9 take more time then 8, similarly 8 take more time than 7 in the same way 0 will takes the least time .
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What Calculate mass of potassium chloride required to prepare its 40 solution in 100g of water?
To prepare a 40% potassium chloride solution in 100g of water, you would need to calculate the mass of potassium chloride required. Since the solution is 40% potassium chloride, that means 40g of the total solution mass must be potassium chloride. Therefore, you would need to add 40g of potassium chloride to the 100g of water to prepare the solution.
How many grams of I2 should be added to 750 g o C Cl4 to prepare a 020 m solution?
To prepare a 0.20 M solution of I2 in CCl4, you would need to calculate the moles of I2 required first. Molarity (M) = moles of solute / liters of solution. Since you know the molarity and volume of the solution, you can calculate the moles of I2 required and then convert that to grams using the molar mass of I2.
How do you calculate the molarity of a solution?
To calculate the molarity of a solution, you divide the number of moles of solute by the volume of the solution in liters. The formula is: Molarity (M) moles of solute / liters of solution.
How do you calculate the osmolarity of a solution?
To calculate the osmolarity of a solution, you add up the molar concentrations of all the solutes in the solution. This gives you the total number of particles in the solution, which determines its osmolarity.
How to calculate the molarity of a solution?
To calculate the molarity of a solution, you divide the number of moles of solute by the volume of the solution in liters. The formula is: Molarity (M) moles of solute / liters of solution.
The solution 3x plus 4y equals 5?
With only the amount of information given in this one equation, it's not possible to calculate the value of 'x' or 'y'. One more equation is required in order to calculate both.
How can one determine the volume required to achieve a specific molarity in a solution?
To determine the volume needed to achieve a specific molarity in a solution, you can use the formula: volume (amount of substance) / (molarity). This formula helps calculate the volume of the solution needed to reach the desired concentration.
What mass is required to make 2N solution of Na2co3 calculate mass of sodim carbonate which will be dissolved in 500 ccc?
To prepare a 2N solution of Na2CO3 in 500 mL, you would need to dissolve 42.97 grams of Na2CO3. This is calculated by first converting N to molarity (2N = 2 moles/L), then using the molar mass of Na2CO3 (105.99 g/mol) to calculate the required mass.
How do you calculate osmolarity in a solution?
To calculate osmolarity in a solution, you add up the molar concentrations of all the solutes present in the solution. This gives you the total number of osmoles per liter of solution, which is the osmolarity.
What is the molarity of the NaOH solution if 25.0 mL of the solution is required to neutralize 35.0 mL of a 0.20 M HCl solution?
To find the molarity of the NaOH solution, use the formula M1V1 M2V2. Given that V1 25.0 mL, V2 35.0 mL, and M2 0.20 M, you can calculate M1 to be 0.14 M.
How do you calculate the concentration of two mixed solutions?
calculate final molarity of the solution if 11ml of 5m solution is made up to 20ml
How do you determine the concentration of ascorbic acid in unknown sample?
first measure the volume of the sample solution needed to change the blue color of the DCPIP solution into colourless. then, weigh the mass of the sample solution. finally calculate the concentration by using the formula: volume required t change the color of DCPIP solution (dm) per mass of the sample solution (g)
