WebScience Chemistry QUESTION 1 Consider the titration of 20.00 mL of 0.150 M NH3 with 0.250 M HCI. Determine the pH of the solution after the addition of 8.00 mL of the HCI. … Web6 sep. 2024 · In the number 0.25, it has 2 sig figs and 0.250 has 3 sig figs. How do you round to 2 significant figures? look at the digit after the first non-zero digit if rounding to …
Multiplying and dividing with significant figures - Khan Academy
WebProblem #3: Instructions many milliliters of 5.0 M copper(II) sulfate solution must becoming added to 160 mL of water toward achieve a 0.30 M copper(II) sulfate solution? Problem: M 1 VOLT 1 = M 2 V 2 (5.00 mol/L) (x) = (0.3 mol/L) (160 + x) 5x = 48 + 0.3x 4.7x = 48 x = 10. milliliter (to couple sig figs) The solution to this problem assumes that the volumes are … WebFig. 2.1: Mapa de ubicación de las cuencas de Tolomosa y La Victoria 7616000 296000 304000 312000 320000. 7616000 N. ia or W E Subcuenca_Quebrada_La_Tablada. ict Cuenca_Rio_La_Victoria. _V La Qda._Tablada. o_ S Subcuenca_Rio_Seco. Ri Rio _Seco Embalse_San_Jacinto sa ... how do i extend my screen to another laptop
Poverty dynamics and disability: An empirical exercise using the ...
WebThese of education and age (in the first wave) provide statistically sig- results are coherent with those previously obtained by Cantó nificant coefficients in all the models estimated. The greater is (2002) about the dynamics of poverty in Spain using a different the level of education the lesser the risk of being poor. WebHow many significant figures does 50.0 have? 50.0 has 3 significant figures and 1 decimals. 50.0 rounded to 2 sig figs is 50., and to 1 sig figs is 50. To count the number of sig figs in … Web0.250 has 3 significant figures and 3 decimals. 0.250 rounded to 2 sig figs is 0.25, and to 1 sig figs is 0.2. To count the number of sig figs in 0.250, ignore the leading insignificant … how do i extend my screen to 2 monitors