Problem:  Na2SiO3(s) + 8 HF(aq) → H2SiF6(aq) + 2 NaF(aq) + 3 H2O(l)a. How many moles of HF are needed to react with 0.305 mol of Na2SiO3?b. How many grams of NaF form when 0.500 mol of HF react with excess Na2SiO3?c. How many grams of Na2SiO3 can react with 0.856 g of HF

FREE Expert Solution

We will use mole ratios to solve this problem


Part A


There is 8 moles of HF for every 1 mol of Na2SiO3


97% (499 ratings)
View Complete Written Solution
Problem Details

 Na2SiO3(s) + 8 HF(aq) → H2SiF6(aq) + 2 NaF(aq) + 3 H2O(l)

a. How many moles of HF are needed to react with 0.305 mol of Na2SiO3?

b. How many grams of NaF form when 0.500 mol of HF react with excess Na2SiO3?

c. How many grams of Na2SiO3 can react with 0.856 g of HF

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Mole Concept concept. You can view video lessons to learn Mole Concept. Or if you need more Mole Concept practice, you can also practice Mole Concept practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Thomas' class at UT.