Question

Scrie un program care calculeaza concentratia procentuala a unei solutii obtinuta prin dizolvarea a x grame de sare in y litri de apa. Exemplu Pentru x 50 , y = 2 se afiseaza 2,44.

Answer 1

#include <iostream>

using namespace std;

int main() {

  float grameSare, grameApa, masaSubstanta, litriApa, concentratie;

  cout << "Grame sare: "; cin >> grameSare;

  cout << "Litri apa: "; cin >> litriApa;

  grameApa = litriApa * 1000;

  masaSubstanta = grameApa + grameSare;

  concentratie = grameSare / masaSubstanta * 100;

  cout << "Masa substanta: " << masaSubstanta << endl;

  cout << "Concentratie substanta: " << concentratie << endl;

  return 0;    

}