The number of moles of one substance given the amount in mass can be calculated by the use of the molar mass. This is the mass of a compound per 1 mol of the said substance. For, KCl the molar mass is 74.55 g/ mol
148 g / 74.55 g/mol = 2 mol KCl
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The box is expected to go to the right since the 3N is stronger than the 2N and the rightward force will over come the leftward force.
Answer:
The surface tension of the water
Explanation:
The surface of the water curves down twords the edge of the coin.
Answer:
1) The car must have an accelerometer and airbag circut.
2) Chemical explosive of enough sodium azide to fill the bag when ignited
3) Airbag can be covered in talcum powder to help it unwrap smoothly.
Explanation:
Answer:
if it forms from positive ions and has types of metallic bonds
Explanation:
