Question

In a reaction a + b ----> c, reactant a has 5g and product c has 9g. How many grams does reactant b should have?.

Answer 1

b = 4g

Step-by-step explanation:

1. Subtract 5 from both sides of the equation.

b = 9g - 5g

2. Subtract 5 from 9.

b = 4g