Which steps directly affect the accuracy of concentration?, Adding water above the mark then removing excess, Using a clean volumetric flask, Using cold water instead of warm water, Which practices lead to an underestimated concentration (too dilute)?, Filling the volumetric flask slightly above the mark, Weighing slightly more solute, Losing a few crystals while transferring, using warm water to dissolve , Which steps must be done before transferring the solution into the volumetric flask?, Ensuring the solute is fully dissolved, Adjusting to the final volume, Rinsing the stirring rod into the beaker, Which factors influence the calculated mass of solute needed, solubility of the solute, Desired molarity, Final volume , Temperature of the lab, which actions help ensure no solute is lost during preparation?, not stirring the mixture enough, rinising the funnel with distilled water, using funnel during the transfer, adding  solid directly , you need to prepare 250 ml of 0.5M NaCl solution .How many grams of NaCl are needed ?, 7.31g, 14.6 g, 29.25 g, 3.65 g, a student dissolves the solute by shaking it strongly .What is the issue?, write, your answer, which factors do not change the molar concentration of the final concentration of the final solution?, temperature of the water used for initial dissolving, Speed of stirring , adding extra solute, removing some volume ..

Dissolution

بواسطة
طباعة
تضمين

لوحة الصدارة

النمط البصري

الخيارات

تبديل القالب

)
استعادة الحفظ التلقائي: ؟