0.115 M means that 0.115 moles of KBr are contained in a volume of 1000 ml, therefore a volume of 350 ml will have (0.115 × 0.35) = 04025 moles
From the formula of molarity moles = molarity × volume in liters
1 mole of KBr is equivalent to 119 g
Therefore, the mass = 0.04025 × 119 g = 4.79 g
Answer:
MgF2 + Li2CO3 ---> MgCO3 + 2LiF
Explanation:
Hello There,
I believe you stated your question wrong. This is not possible. A tennis ball can't have more mass than a gold ball.
If you MEANT to say:
A golf ball has more mass than a tennis ball because
then your answer would be:
It contains more matter
Best Of Luck,
- Kai -