A beaker with saltwater was left uncovered and all water evaporated. If there are 0.505 g of NaCl left in a beaker that originally contained 75.0 mL of saltwater, what must have been the concentration of the original solution?

An airbag generates 1.8g of nitrogen gas (N2, molar mass = 28.0 g/mol) at a pressure of 101.3 kPa and a temperature of 34°C. What volume, in liters, will it occupy?

A container can hold 65g of water. circle the conversion factor needed to ind the mass of water that 5 identical containers can hold

What is quantum model of the atom often called.

How do oxygen atoms compare to hydrogen

Rank the following dienes in order of increasing stability: trans-1,3-pentadiene, cis-1,3-pentadiene, 1,4-pentadiene, and 1,2-pentadiene. Rank the dienes from least stable to most stable. To rank items as equivalent, overlap them.

Convert 3.57 moles of aluminum to grams

An average microwave uses a frequency of 2.54 GHz. How much energy is emitted?

Why scientist form a hypothesis

Step two of the procedure states: "Using sterile technique, place a loopful of inoculum from the M. luteus culture in the drop of nigrosin and mix." Which of the procedures qualifies as sterile technique?

If 4.34 moles of potassium react with excess water, how many moles of hydrogen gas would be produced at STP