0. 300 moles of sodium nitrite are needed for a reaction
1 answer:
Molar concentration is the ratio of the moles and the volume. The volume of the solution that is needed is
<h3>What is Molarity?</h3>Molarity or the molar concentration is the proportion of the moles of the solute to the volume of the solution in liters.
Given,
The molar concentration of the solution = 0.450 mol/L
Moles of sodium nitrite = 0.300 moles
Volume is calculated as:
Therefore, 666 mL of volume is needed.
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Energy(heat) required to raise the temperature of water : 418.6 J
<h3>Further explanation </h3>Heat can be calculated using the formula:
Q = mc∆T
Q = heat, J
m = mass, g
c = specific heat, joules / g ° C
∆T = temperature difference, ° C / K
Specific heat of water = 4.186 J/g*C.
∆T(raise the temperature) : 10° C
mass = 10 g
Heat required :