What is the mass percent of cuso4 in cuso4.5 (H2O)

If 54 g of salt is dissolved in 420 g of water, how many grams of salt water is made?

How is energy transferred when one object does work on another?

The molecule mass of sodium oxide na2o is

Describe in one sentence how fireworks get their color.

Which of the following numbers count as exact numbers and do not count when determining significant figures in a calculation? 1. Density: 3.7 g/mL 2. Volume: 1000 mL/L 3. Length: 2.54 cm/in 4. Speed: 65.2 km/hr 5. Number: 14 aardvarks 6. Mass: 38.

Given an unknown mixture consisting of two more substances, explain how could you determine whether that mixture is a true solution, a colloid or a suspension

Which isotope of lithium has 3 neutrons?

Write the complete electron configuration for the noble gas found in the third period

Convert 0.023 kg to centigran

How many unpaired electrons arethere in Cu1 + ion