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19 Nov 2019
from 0 30 M HF IK. - 7210) and 0.40 M NaF, and (8) 1,00L ferd 7.2x 101) and 4.00 M NaF. Show your work! 0 L buffer made F, and (3) 1.00 L buffer made from 3.00 M HF (K, 2. Calculate the pH before and after adding 0. 10 mol of OH to (1) 1.00LHO 1.00-L Buffer 1.00-L Buffer (3.0 M HF/4.0 M NaF) 1.00-L H2 0.30 M HF/0.40 M NaF) pH Before adding 0.10 mol OH After adding 0.10 mol OH pH change You are going to add solid CH,COONa to 500.-mL 0.50 M CH COOH (K, 1.8x 10) to make a pH 5.00 buffer. Assuming the volume of the solution does not change when adding solid CH COONa, how many grams of CH:COONa are needed? 3. Dest and i
from 0 30 M HF IK. - 7210) and 0.40 M NaF, and (8) 1,00L ferd 7.2x 101) and 4.00 M NaF. Show your work! 0 L buffer made F, and (3) 1.00 L buffer made from 3.00 M HF (K, 2. Calculate the pH before and after adding 0. 10 mol of OH to (1) 1.00LHO 1.00-L Buffer 1.00-L Buffer (3.0 M HF/4.0 M NaF) 1.00-L H2 0.30 M HF/0.40 M NaF) pH Before adding 0.10 mol OH After adding 0.10 mol OH pH change You are going to add solid CH,COONa to 500.-mL 0.50 M CH COOH (K, 1.8x 10) to make a pH 5.00 buffer. Assuming the volume of the solution does not change when adding solid CH COONa, how many grams of CH:COONa are needed? 3. Dest and i
Tod ThielLv2
16 Jul 2019