A scientist combines 14 grams of potassium nitrate with an unknown amount of potassium chloride. If the total mass of the products is 27.6 grams, what was the mass of the potassium chloride?

Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion

How have the greenhouse gasses increased from the year 2000 to 2018

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.