188k views
4 votes
Please help I’m so confused

Please help I’m so confused-example-1

2 Answers

7 votes

Answer:

3.0M

Step-by-step explanation:

We don't have n yet, so we need to use n =m/M to find it out

n = 30g/101.1032 g/mol

n = 0.2967265131mol

M = n/V

100mL = 0.1L

M = 0.2967265131mol/0.1L

M = 2.96726mol/L

Rounded to 3.0M

User Wedge
by
5.0k points
1 vote

Answer:

I think its 3.0M

Step-by-step explanation:

User TomDunning
by
4.2k points