1. What is the molar concentration of Cl- ions in a solution of 5 moles of MgCl_2 in 10 L of solution?
2. What volume of a 5.0 M NaOH solution is essential to prepare 100.0 mL of a 0.2 M solution?
3. What mass of water is produced when 0.1 moles of C_2H_6 is reacted through 0.1 moles of O_2?
C_2H_6 + 7/2 O_2 --> 2CO_2 + 3H_2O
Sexactly how occupational.
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We can calculate the concentration of a solute in a solvent in regards to the unit molarity (M). It is defined as the number of moles of the solute present in 1 liter of the solution.
eqeginalign*Molarity &=frac extMoles of solute extVolume of the solution in Lendalign*/eq
Answer and also Explanation:1
Part 15 moles of :eqMgCl_2/eq is present in 10 L of the solution ie its molarity is eqC = dfrac5 moles10 L = 0.5 M./eq
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