The ratio is 1.07 : 0.128 : 0.106.
What is N/P/K ratio ?
These three numbers form what is called the fertilizer's N-P-K ratio — the proportion of three plant nutrients in order: nitrogen (N), phosphorus (P) and potassium (K). The product's N-P-K numbers reflect each nutrient's percentage by weight.
Given, mass ratio of (Molar mass of N2 =28; Molar mass of PO=78; Molar mass of K2O)=94) is 30/10/10
Therefore the ratio is : 30/28 : 10/78 : 10/94 = 1.07 : 0.128 : 0.106
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Answer:
B) hydroxide concentration
Explanation:
Hello,
In this case, since we are talking about strong both base and acid, since the base is the titrant and the acid the analyte, once the equivalence point has been reached, some additional base could be added before the experimenter realizes about it, therefore, since the titrant is a strong base, it completely dissociates in hydroxide ions and metallic ions which allows us to compute the pOH of the solution by known the hydroxide ions concentration.
After that, due to the fact that the pH is related with the pOH as shown below:
pH=14-pOH
We can directly compute the pH.
Best regards.
First Set of Answers:
Heat Released Reaction 1: 3700
Heat Released Reaction 2: 3200
Second Set of Answers:
Moles Reactant 1: .00823
Moles Reactant 2: .0397
Third Set of Answers:
Enthalpy 1: -450
Enthalpy 2: -81
FOR EDG!!!!!!!!!!!!
( Record in your data table (; )
Answer:
The percentage of N in the compound is 0.5088
Explanation:
Mass of compound = 8.75 mg = 8.75×1000 = 8750 g
Mass of N2 = number of moles of N2 × MW of N2 = 1.59 × 28 = 44.52 g
% of N in the compound = (mass of N2/mass of compound) × 100 = (44.52/8750) × 100 = 5.088×10^-3 × 100 = 0.5088
