A sample of water cools down from \( 89.7^{\circ} \mathrm{C} \) to \( 43.2^{\circ} \mathrm{C} \) by releasing \( 1.47 \times 10^{3} \mathrm{~kJ} \) of heat. What is the mass of water in this sample in grams? - Report the answer with three significant figures. - Report the answer in scientific notation. - Use \( 4.184 \frac{\mathrm{~J}}{\mathrm{~g} \mathrm{C} \mathrm{C}} \) for the specific heat of water.

What mass in grams of \( \mathrm{NaHCO}_{3} \) is required to make 59.3 mL of 2.68 M solution?

Concentrated NaOH is 19.0 M . Determine the volume in mL of the concentrated solutio required to produce 1800 mL of 1.77 M NaOH

What is the molarity of the solution when 43.30 grams of NaBr is dissolved in 850.0 mL of water?

magnesio metálico se puede obtener por electrolisis de MgClz fundido, ¿Qué masa magnesio se forma al hacer pasar una corriente de 5.25 A , a través de \( \mathrm{MgCl}_{2} \) fundido rante 2.5 dias de manera continua? Ecuación del proceso

Concentrated \( \mathrm{HC}_{2} \mathrm{H}_{3} \mathrm{O}_{2} \) is 17.0 M . Determine the volume in mL of the concentrated solution required to produce 2800 mL of \( 0.656 \mathrm{M} \mathrm{HC}_{2} \mathrm{H}_{3} \mathrm{O}_{2} \)