Question

1. you calculated that 0.0777 moles naoh will remain if reaction #1 occurs when baking soda decomposes.

calculate how many grams of naoh remain if reaction #1 occurs.
g
i need a hint
the answer to this question depends on your answers to previous questions.
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Explanation:

Step1: Find molar mass of NaOH

Molar mass of NaOH: $M(\text{NaOH}) = 23 + 16 + 1 = 40\ \text{g/mol}$

Step2: Calculate mass from moles

Use formula $m = n \times M$
$m = 0.0777\ \text{mol} \times 40\ \text{g/mol}$

Answer:

$3.108\ \text{g}$