319207 The molarity of a solution obtained by mixing of 750 mL of 0.5 M HCl with 250 mL of 2 M HCl will be

319208 A student has 100 mL of 0.1 M KCl solution. To make it 0.2 M, he has to

319209 The molarity of urea (molar mass \({\rm{60}}{\mkern 1mu} {\mkern 1mu} {\rm{g}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)) solution by dissolving 15 g of urea in \({\rm{500}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{3}}}\) of water is

319210 Three statements are given about mole fraction
i. Mole fraction of a solute + mole fraction of solvent = 1
ii. Equal weights of Helium and methane are present in a gaseous mixture. The mole fraction of He is 4/5
iii. The mole fraction of \(40\% \) by mass of NaOH solution is 0.5

319207 The molarity of a solution obtained by mixing of 750 mL of 0.5 M HCl with 250 mL of 2 M HCl will be

319208 A student has 100 mL of 0.1 M KCl solution. To make it 0.2 M, he has to

319209 The molarity of urea (molar mass \({\rm{60}}{\mkern 1mu} {\mkern 1mu} {\rm{g}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)) solution by dissolving 15 g of urea in \({\rm{500}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{3}}}\) of water is

319210 Three statements are given about mole fraction
i. Mole fraction of a solute + mole fraction of solvent = 1
ii. Equal weights of Helium and methane are present in a gaseous mixture. The mole fraction of He is 4/5
iii. The mole fraction of \(40\% \) by mass of NaOH solution is 0.5

319207 The molarity of a solution obtained by mixing of 750 mL of 0.5 M HCl with 250 mL of 2 M HCl will be

319208 A student has 100 mL of 0.1 M KCl solution. To make it 0.2 M, he has to

319209 The molarity of urea (molar mass \({\rm{60}}{\mkern 1mu} {\mkern 1mu} {\rm{g}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)) solution by dissolving 15 g of urea in \({\rm{500}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{3}}}\) of water is

319210 Three statements are given about mole fraction
i. Mole fraction of a solute + mole fraction of solvent = 1
ii. Equal weights of Helium and methane are present in a gaseous mixture. The mole fraction of He is 4/5
iii. The mole fraction of \(40\% \) by mass of NaOH solution is 0.5

319207 The molarity of a solution obtained by mixing of 750 mL of 0.5 M HCl with 250 mL of 2 M HCl will be

319208 A student has 100 mL of 0.1 M KCl solution. To make it 0.2 M, he has to

319209 The molarity of urea (molar mass \({\rm{60}}{\mkern 1mu} {\mkern 1mu} {\rm{g}}{\mkern 1mu} {\mkern 1mu} {\rm{mo}}{{\rm{l}}^{{\rm{ - 1}}}}\)) solution by dissolving 15 g of urea in \({\rm{500}}{\mkern 1mu} {\mkern 1mu} {\rm{c}}{{\rm{m}}^{\rm{3}}}\) of water is

319210 Three statements are given about mole fraction
i. Mole fraction of a solute + mole fraction of solvent = 1
ii. Equal weights of Helium and methane are present in a gaseous mixture. The mole fraction of He is 4/5
iii. The mole fraction of \(40\% \) by mass of NaOH solution is 0.5