Read an amount of water in quarts, and displays the number of water molecules in that amount. - C Operator

Introduction

The mass of a single molecule of water is about 3.0?10^-23 grams.

A quart of water is about 950 grams.

Demo Code

#include <stdio.h>

int main(void)
{
  float H20_MASS = 3.0e-23;
  float GRAMS_H20_PER_QUART = 950.;
  float quarts;/*from  ww w .  j  a v a 2 s. c o  m*/

  printf("Enter an amount of water (in quarts): ");
  scanf("%f", &quarts);
  printf("There are %f molecules in %f quarts of water.\n", quarts * GRAMS_H20_PER_QUART / H20_MASS, quarts);

  return 0;
}

Result

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