How much NaOH is present in a 250. mL sample of a 5.00 (w/v) solution? A) 5.00 g B) 10.0 g C) ...

Author Question: How much NaOH is present in a 250. mL sample of a 5.00 (w/v) solution? A) 5.00 g B) 10.0 g C) ... (Read 113 times)

lb_gilbert

Hero Member
Posts: 588

on: Aug 27, 2018

How much NaOH is present in a 250. mL sample of a 5.00 (w/v) solution?

A) 5.00 g
B) 10.0 g
C) 12.5 g
D) 25.0 g
E) 250 g

Question 2

What volume (in mL) of 0.0887 M MgF2 solution is needed to make 275.0 mL of 0.0224 M MgF2 solution?

A) 72.3 mL
B) 91.8 mL
C) 10.9 mL
D) 69.4 mL
E) 14.4 mL

chloejackso

Sr. Member
Posts: 316

Reply #1 on: Aug 27, 2018

Answer to Question 1

C

Answer to Question 2

D

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lb_gilbert

Hero Member
Posts: 588

Reply #2 on: Aug 27, 2018

Both answers were spot on, thank you once again

chloejackso

Sr. Member
Posts: 316

Reply #3 on: Aug 27, 2018

Great! Please up vote

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Author Question: How much NaOH is present in a 250. mL sample of a 5.00 (w/v) solution? A) 5.00 g B) 10.0 g C) ... (Read 113 times)

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