chem
how many moles of calcium and chloride ions are there in 1.00mol of cacl2
chemistry
Which ions are spectacular ions in this reaction? What is a net ionic equation for this reaction?
chemistry
What is a complete ionic equation for the reaction between Pb(NO3)2 and NaI?
chemistry
Correction : Pb(NO3)2 2.0mL
chemistry
What is the mole ratio of the reactants in a tube containing: Pb(NO3) 22.0mL 0.5 mol NaI 16.0mL 0.5 mol
chemistry
Pb(NO3)2 6.0mL 0.5 mol NaI 12.0mL 0.5 mol What is the mole ratio between Pb(NO3)2 and NaI?
chemistry
DATA TABLE 2: SPOT TESTS OF SUPERNATANT SAMPLES FROM REACTION TUBES Substance Added Tube 1 Ppt.? Tube 2 Ppt.? Tube 3 Ppt.? Tube 4 Ppt.? Tube 5 Ppt.? Tube 6 Ppt.? Pb(NO3)2 yes yes no no no no NaI no no no yes yes yes reagent present in excess How do I identify whether or not re...
chemistry
a. What is the relative height of each of the precipitates? Assume that the tube with the least amount of precipitate has a relative height of 1. HINT: Divide each height by the smallest one. b. What is the relative number of theoretical moles of product in each tube? Assume t...
chemistry
DATA TABLE 1: DATA FOR REACTION MIXTURES Tube Number Pb(NO3)2 NaI Height Ppt. (cm) Maximum Theoretical Yield Ppt. (mol) (mL) (mol) (mL) (mol) 1 2.0 0.5 16.0 0.5 0.6 2 4.0 0.5 14.0 0.5 1.3 3 6.0 0.5 12.0 0.5 1.8 4 8.0 0.5 10.0 0.5 1.5 5 10.0 0.5 8.0 0.5 1.7 6 12.0 0.5 6.0 0.5 0...
trig
What is the projection of (2,6) onto (-1,5)?
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