How many moles are in 233 grams of mgsio3

What is the number of moles in 15.0 g ash3?

Which best explains why an iceberg floats?

Mike and mitchell decide to have a foot race. they mark off a stretch of 100 yards, and recruit cindy to work the stopwatch. after running the race and looking at the results, cindy declared that mitchell was the fastest. so how did the boys times compare?