Two solutions are combined: 637 mL of 147 mM MgSO4 and 501 mL of 160 mM NH4OH. What is the concentration of MgSO4 remaining after the reaction is complete? Report your answer in mM. Round your answer to 2 decimal places.

A student needs to dilute a 0.40 M Pb(NO3)₂ solution to make 75.0 mL of 0.16 M Pb(NO3)2. Set up the calculation by placing the values with the correct units into the equation. Then, calculate the volume, in milliliters, of the 0.40 M Pb(NO3)₂ solution that is needed. 75.0 mL 75.0 L Answer Bank 0.40 M 0.16 mL 0.16 M 0.40 mL = mL

5.00 mL of 5.09 M Fe(NO3)3 is combined with 1.00 mL of 0.50 M HCIO4 and 4.00 mL of 2.00 x 10-2M KSCN. What is the concentration of Fe3+ in the solution after the other reactants are added? Enter your answer with two decimal places. Example: 1.32 Do not include units in your answer. 2.55 A Moving to another question will save this response. MacBook Air F7 F8 F2 F3 000 F4 F5 F6 $ % & 6. 8 * 00 5 %#3

A 0.2513 g sample of a monoprotic acid neutralizes 37.21 mL of a 0.08347 M KOH solution. Calculate the molar mass of the acid. Be sure your answer has the correct number of significant digits. g mol x10 × Ś

If 21 mL of 3.2 x 10–5 M magnesium chloride and 15 mL of 1.5 x 10–4 M sodium fluoride are mixed, what are the concentrations of magnesium ion, chloride ion, sodium ion, and fluoride ion after mixing? Some choices may be used more than once, and keep an extra sig fig.   Question 9 options:     chloride ion     sodium ion     magnesium ion     fluoride ion   1.   1.87 x 10–5 M 2.   3.73 x 10–5 M 3.   6.25 x 10–5 M 4.   1.25 x 10–4 M 5.   1.50 x 10–4 M 6.   3.20 x 10–5 M 7.   1.50 x 10–4 M Answer and Explain

You are asked to make a 2.50 L solution of sodium iodide with a concentration of 1.80 M. What mass of sodium iodide will you need to weigh out before you dissolve it in the water?

Ammonium oxalate dissociates when it dissolves in water.   If the concentration of the oxalate ions is 3.2 mol/L, then what is the concentration of the ammonium oxalate solution? Record only your numerical answer with the correct number of significant digits.  You do not need to include units as the units appear for you beside the answer box already.

if you tritate 10.00 mL of vinegar with .310 M NaOH and determine that the end point is reached after the addition of 15.21 mL of NaOH, calculate the molarity of the acid in the vinegar.

Calculate the concentration of all ions present in 0.156 g MgCl, in 100.0 mL of solution. MMg+ MCF

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